marc21_authority_schema.json

{
  "title":"MARC21 authority format",
  "url":"https:\/\/www.loc.gov\/marc\/authority\/",
  "language":"en",
  "family":"marc",
  "fields":{
    "010":{
      "label":"Library of Congress Control Number",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"LC control number",
          "repeatable":false
        },
        "z":{
          "label":"Canceled\/invalid LC control number",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "014":{
      "label":"Link to Bibliographic Record for Serial or Multipart Item",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Control number of related bibliographic record",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "016":{
      "label":"National Bibliographic Agency Control Number",
      "indicator1":{
        "label":"National bibliographic agency",
        "codes":{
          " ":"Library and Archives Canada",
          "7":"Source specified in subfield $2"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Record control number",
          "repeatable":false
        },
        "z":{
          "label":"Canceled or invalid record control number",
          "repeatable":true
        },
        "2":{
          "label":"Source",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "020":{
      "label":"International Standard Book Number",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"International Standard Book Number",
          "repeatable":false
        },
        "c":{
          "label":"Terms of availability",
          "repeatable":false
        },
        "q":{
          "label":"Qualifying information",
          "repeatable":true
        },
        "z":{
          "label":"Canceled\/invalid ISBN",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "022":{
      "label":"International Standard Serial Number",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"International Standard Serial Number",
          "repeatable":false
        },
        "y":{
          "label":"Incorrect ISSN",
          "repeatable":true
        },
        "z":{
          "label":"Canceled ISSN",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":false
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "023":{
      "label":"Cluster ISSN",
      "indicator1":{
        "label":"Type of Cluster ISSN",
        "codes":{
          "0":"ISSN-L",
          "1":"ISSN-H"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Cluster ISSN",
          "repeatable":false
        },
        "y":{
          "label":"Incorrect Cluster ISSN",
          "repeatable":true
        },
        "z":{
          "label":"Canceled Cluster ISSN",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":false
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "024":{
      "label":"Other Standard Identifier",
      "indicator1":{
        "label":"Type of standard number or code",
        "codes":{
          "7":"Source specified in subfield $2",
          "8":"Unspecified type of standard number or code"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Standard number or code",
          "repeatable":false
        },
        "c":{
          "label":"Terms of availability",
          "repeatable":false
        },
        "d":{
          "label":"Additional codes following the standard number or code",
          "repeatable":false
        },
        "q":{
          "label":"Qualifying information",
          "repeatable":true
        },
        "z":{
          "label":"Canceled\/invalid standard number or code",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":false
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":false
        },
        "2":{
          "label":"Source",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "031":{
      "label":"Musical Incipits Information",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Number of work",
          "repeatable":false
        },
        "b":{
          "label":"Number of movement",
          "repeatable":false
        },
        "c":{
          "label":"Number of excerpt",
          "repeatable":false
        },
        "d":{
          "label":"Caption or heading",
          "repeatable":true
        },
        "e":{
          "label":"Role",
          "repeatable":false
        },
        "g":{
          "label":"Clef",
          "repeatable":false
        },
        "m":{
          "label":"Voice\/instrument",
          "repeatable":false
        },
        "n":{
          "label":"Key signature",
          "repeatable":false
        },
        "o":{
          "label":"Time signature",
          "repeatable":false
        },
        "p":{
          "label":"Musical notation",
          "repeatable":false
        },
        "q":{
          "label":"General note",
          "repeatable":true
        },
        "r":{
          "label":"Key or mode",
          "repeatable":false
        },
        "s":{
          "label":"Coded validity note",
          "repeatable":true
        },
        "t":{
          "label":"Text incipit",
          "repeatable":true
        },
        "u":{
          "label":"Uniform Resource Identifier",
          "repeatable":true
        },
        "y":{
          "label":"Link text",
          "repeatable":true
        },
        "z":{
          "label":"Public note",
          "repeatable":true
        },
        "2":{
          "label":"System code",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "034":{
      "label":"Coded Cartographic Mathematical Data",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Type of ring",
        "codes":{
          " ":"Not applicable",
          "0":"Outer ring",
          "1":"Exclusion ring"
        }
      },
      "subfields":{
        "d":{
          "label":"Coordinates",
          "repeatable":false
        },
        "e":{
          "label":"Coordinates",
          "repeatable":false
        },
        "f":{
          "label":"Coordinates",
          "repeatable":false
        },
        "g":{
          "label":"Coordinates",
          "repeatable":false
        },
        "j":{
          "label":"Declination",
          "repeatable":false
        },
        "k":{
          "label":"Declination",
          "repeatable":false
        },
        "m":{
          "label":"Right ascension",
          "repeatable":false
        },
        "n":{
          "label":"Right ascension",
          "repeatable":false
        },
        "p":{
          "label":"Equinox",
          "repeatable":false
        },
        "r":{
          "label":"Distance from earth",
          "repeatable":false
        },
        "s":{
          "label":"G-ring latitude",
          "repeatable":true
        },
        "t":{
          "label":"G-ring longitude",
          "repeatable":true
        },
        "x":{
          "label":"Beginning date",
          "repeatable":false
        },
        "y":{
          "label":"Ending date",
          "repeatable":false
        },
        "z":{
          "label":"Name of extraterrestrial body",
          "repeatable":false
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source",
          "repeatable":false
        },
        "3":{
          "label":"Materials specified",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "035":{
      "label":"System Control Number",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"System control number",
          "repeatable":false
        },
        "z":{
          "label":"Canceled\/invalid system control number",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "040":{
      "label":"Cataloging Source",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Original cataloging agency",
          "repeatable":false
        },
        "b":{
          "label":"Language of cataloging",
          "repeatable":false
        },
        "c":{
          "label":"Transcribing agency",
          "repeatable":false
        },
        "d":{
          "label":"Modifying agency",
          "repeatable":true
        },
        "e":{
          "label":"Description conventions",
          "repeatable":true
        },
        "f":{
          "label":"Subject heading\/thesaurus conventions",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "042":{
      "label":"Authentication Code",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "repeatable":false
    },
    "043":{
      "label":"Geographic Area Code",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Geographic area code",
          "repeatable":true
        },
        "b":{
          "label":"Local GAC code",
          "repeatable":true
        },
        "c":{
          "label":"ISO code",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source of local code",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "045":{
      "label":"Time Period of Heading",
      "indicator1":{
        "label":"Type of time period in subfield $b or $c",
        "codes":{
          " ":"Subfield $b or $c not present",
          "0":"Single date\/time",
          "1":"Multiple single dates\/times",
          "2":"Range of dates\/times"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Time period code",
          "repeatable":true
        },
        "b":{
          "label":"Formatted 9999 B.C. through C.E. time period",
          "repeatable":true
        },
        "c":{
          "label":"Formatted pre-9999 B.C. time period",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "046":{
      "label":"Special Coded Dates",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "f":{
          "label":"Birth date",
          "repeatable":false
        },
        "g":{
          "label":"Death date",
          "repeatable":false
        },
        "k":{
          "label":"Beginning or single date created",
          "repeatable":false
        },
        "l":{
          "label":"Ending date created",
          "repeatable":false
        },
        "o":{
          "label":"Single or starting date for aggregated content",
          "repeatable":false
        },
        "p":{
          "label":"Ending date for aggregated content",
          "repeatable":false
        },
        "q":{
          "label":"Establishment date",
          "repeatable":false
        },
        "r":{
          "label":"Termination date",
          "repeatable":false
        },
        "s":{
          "label":"Start period",
          "repeatable":false
        },
        "t":{
          "label":"End period",
          "repeatable":false
        },
        "u":{
          "label":"Uniform Resource Identifier",
          "repeatable":true
        },
        "v":{
          "label":"Source of information",
          "repeatable":true
        },
        "x":{
          "label":"Nonpublic note",
          "repeatable":true
        },
        "z":{
          "label":"Public note",
          "repeatable":true
        },
        "2":{
          "label":"Source of date scheme",
          "repeatable":false
        },
        "3":{
          "label":"Materials specified",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "050":{
      "label":"Library of Congress Call Number",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Source of call number",
        "codes":{
          "0":"Assigned by LC",
          "4":"Assigned by agency other than LC"
        }
      },
      "subfields":{
        "a":{
          "label":"Classification number",
          "repeatable":false
        },
        "b":{
          "label":"Item number",
          "repeatable":false
        },
        "d":{
          "label":"Volumes\/dates to which call number applies",
          "repeatable":false
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "052":{
      "label":"Geographic Classification",
      "indicator1":{
        "label":"Code source",
        "codes":{
          " ":"Library of Congress Classification",
          "1":"U.S. Dept. of Defense Classification",
          "7":"Source specified in subfield $2"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Geographic classification area code",
          "repeatable":false
        },
        "b":{
          "label":"Geographic classification subarea code",
          "repeatable":true
        },
        "d":{
          "label":"Populated place name",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Code source",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "053":{
      "label":"LC Classification Number",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Source of classification number",
        "codes":{
          "0":"Assigned by LC",
          "4":"Assigned by agency other than LC"
        }
      },
      "subfields":{
        "a":{
          "label":"Classification number element-single number or beginning number of span",
          "repeatable":false
        },
        "b":{
          "label":"Classification number element-ending number of span",
          "repeatable":false
        },
        "c":{
          "label":"Explanatory term",
          "repeatable":false
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "055":{
      "label":"Library and Archives Canada Call Number",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Source of call number",
        "codes":{
          "0":"Assigned by LAC",
          "4":"Assigned by agency other than LAC"
        }
      },
      "subfields":{
        "a":{
          "label":"Classification number",
          "repeatable":false
        },
        "b":{
          "label":"Item number",
          "repeatable":false
        },
        "d":{
          "label":"Volumes\/dates to which call number applies",
          "repeatable":false
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Number source",
          "repeatable":false
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "060":{
      "label":"National Library of Medicine Call Number",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Source of call number",
        "codes":{
          "0":"Assigned by NLM",
          "4":"Assigned by agency other than NLM"
        }
      },
      "subfields":{
        "a":{
          "label":"Classification number",
          "repeatable":false
        },
        "b":{
          "label":"Item number",
          "repeatable":false
        },
        "d":{
          "label":"Volumes\/dates to which call number applies",
          "repeatable":false
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "065":{
      "label":"Other Classification Number",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Classification number element-single number or beginning of span",
          "repeatable":false
        },
        "b":{
          "label":"Classification number element-ending number of span",
          "repeatable":false
        },
        "c":{
          "label":"Explanatory term",
          "repeatable":false
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Number source",
          "repeatable":false
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "066":{
      "label":"Character Sets Present",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
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      "repeatable":true
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      "repeatable":true
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        "c":{
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        "d":{
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        "8":{
          "label":"Field link and sequence number",
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      "repeatable":false
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        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "162":{
      "label":"Heading-Medium of Performance Term",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "subfields":{
        "a":{
          "label":"Medium of performance term",
          "repeatable":false
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        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "180":{
      "label":"Heading-General Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "181":{
      "label":"Heading-Geographic Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "182":{
      "label":"Heading-Chronological Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "185":{
      "label":"Heading-Form Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "260":{
      "label":"Complex See Reference-Subject",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Heading referred to",
          "repeatable":true
        },
        "i":{
          "label":"Explanatory text",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "335":{
      "label":"Extension Plan",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Extension plan term",
          "repeatable":false
        },
        "b":{
          "label":"Extension plan code",
          "repeatable":false
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source",
          "repeatable":false
        },
        "3":{
          "label":"Materials specified",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "336":{
      "label":"Content Type",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "subfields":{
        "a":{
          "label":"Content type term",
          "repeatable":true
        },
        "b":{
          "label":"Content type code",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source",
          "repeatable":false
        },
        "3":{
          "label":"Materials specified",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "348":{
      "label":"Format of Notated Music",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "subfields":{
        "a":{
          "label":"Format of notated music term",
          "repeatable":true
        },
        "b":{
          "label":"Format of notated music code",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source of term",
          "repeatable":false
        },
        "3":{
          "label":"Materials specified",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "360":{
      "label":"Complex See Also Reference-Subject",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "subfields":{
        "a":{
          "label":"Heading referred to",
          "repeatable":true
        },
        "i":{
          "label":"Explanatory text",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "361":{
      "label":"Structured Ownership and Custodial History",
      "indicator1":{
        "label":"Privacy",
        "codes":{
          " ":"No information provided",
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      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "subfields":{
        "a":{
          "label":"Name",
          "repeatable":false
        },
        "f":{
          "label":"Ownership and custodial history evidence term",
          "repeatable":true
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        "k":{
          "label":"Formatted date",
          "repeatable":false
        },
        "l":{
          "label":"Date",
          "repeatable":false
        },
        "o":{
          "label":"Type of ownership and custodial history information",
          "repeatable":true
        },
        "s":{
          "label":"Shelf mark of copy described",
          "repeatable":false
        },
        "u":{
          "label":"Uniform Resource Identifier",
          "repeatable":true
        },
        "x":{
          "label":"Nonpublic note",
          "repeatable":true
        },
        "y":{
          "label":"Identifier of the copy described",
          "repeatable":false
        },
        "z":{
          "label":"Public note",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "3":{
          "label":"Materials specified",
          "repeatable":false
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "368":{
      "label":"Other Attributes of Person or Corporate Body",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "subfields":{
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          "label":"Type of corporate body",
          "repeatable":true
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        "b":{
          "label":"Type of jurisdiction",
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        "c":{
          "label":"Other designation",
          "repeatable":true
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        "d":{
          "label":"Title of person",
          "repeatable":true
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        "s":{
          "label":"Start period",
          "repeatable":false
        },
        "t":{
          "label":"End period",
          "repeatable":false
        },
        "u":{
          "label":"Uniform Resource Identifier",
          "repeatable":true
        },
        "v":{
          "label":"Source of information",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "370":{
      "label":"Associated Place",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "subfields":{
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          "label":"Place of birth",
          "repeatable":false
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        "b":{
          "label":"Place of death",
          "repeatable":false
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        "c":{
          "label":"Associated country",
          "repeatable":true
        },
        "e":{
          "label":"Place of residence\/headquarters",
          "repeatable":true
        },
        "f":{
          "label":"Other associated place",
          "repeatable":true
        },
        "g":{
          "label":"Place of origin of work or expression",
          "repeatable":true
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "s":{
          "label":"Start period",
          "repeatable":false
        },
        "t":{
          "label":"End period",
          "repeatable":false
        },
        "u":{
          "label":"Uniform Resource Identifier",
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        },
        "v":{
          "label":"Source of information",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source of term",
          "repeatable":false
        },
        "3":{
          "label":"Materials specified",
          "repeatable":false
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "371":{
      "label":"Address",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Address",
          "repeatable":true
        },
        "b":{
          "label":"City",
          "repeatable":false
        },
        "c":{
          "label":"Intermediate jurisdiction",
          "repeatable":false
        },
        "d":{
          "label":"Country",
          "repeatable":false
        },
        "e":{
          "label":"Postal code",
          "repeatable":false
        },
        "m":{
          "label":"Electronic mail address",
          "repeatable":true
        },
        "s":{
          "label":"Start period",
          "repeatable":false
        },
        "t":{
          "label":"End period",
          "repeatable":false
        },
        "u":{
          "label":"Uniform Resource Identifier",
          "repeatable":true
        },
        "v":{
          "label":"Source of information",
          "repeatable":true
        },
        "z":{
          "label":"Public note",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "372":{
      "label":"Field of Activity",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "subfields":{
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          "label":"Field of activity",
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        "s":{
          "label":"Start period",
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        "t":{
          "label":"End period",
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        },
        "u":{
          "label":"Uniform Resource Identifier",
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        },
        "v":{
          "label":"Source of information",
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        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
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        },
        "2":{
          "label":"Source of term",
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        },
        "6":{
          "label":"Linkage",
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        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "373":{
      "label":"Associated Group",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "subfields":{
        "a":{
          "label":"Associated group",
          "repeatable":true
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "s":{
          "label":"Start period",
          "repeatable":false
        },
        "t":{
          "label":"End period",
          "repeatable":false
        },
        "u":{
          "label":"Uniform Resource Identifier",
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        },
        "v":{
          "label":"Source of information",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
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        "2":{
          "label":"Source of term",
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        },
        "4":{
          "label":"Relationship",
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        },
        "6":{
          "label":"Linkage",
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        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "374":{
      "label":"Occupation",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "subfields":{
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          "label":"Occupation",
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        "s":{
          "label":"Start period",
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        "t":{
          "label":"End period",
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        },
        "u":{
          "label":"Uniform Resource Identifier",
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        },
        "v":{
          "label":"Source of information",
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        },
        "0":{
          "label":"Authority record control number or standard number",
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        },
        "1":{
          "label":"Real World Object URI",
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        },
        "2":{
          "label":"Source of term",
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        },
        "6":{
          "label":"Linkage",
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        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "375":{
      "label":"Gender",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "subfields":{
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          "label":"Gender",
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        "s":{
          "label":"Start period",
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        "t":{
          "label":"End period",
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        "u":{
          "label":"Uniform Resource Identifier",
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        "v":{
          "label":"Source of information",
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        },
        "0":{
          "label":"Authority record control number or standard number",
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        },
        "1":{
          "label":"Real World Object URI",
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        "2":{
          "label":"Source of term",
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        "6":{
          "label":"Linkage",
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        },
        "7":{
          "label":"Data provenance",
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        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "376":{
      "label":"Family Information",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "subfields":{
        "a":{
          "label":"Type of family",
          "repeatable":true
        },
        "b":{
          "label":"Name of prominent member",
          "repeatable":true
        },
        "c":{
          "label":"Hereditary title",
          "repeatable":true
        },
        "d":{
          "label":"Other designation",
          "repeatable":true
        },
        "s":{
          "label":"Start period",
          "repeatable":false
        },
        "t":{
          "label":"End period",
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        },
        "u":{
          "label":"Uniform Resource Identifier",
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        },
        "v":{
          "label":"Source of information",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
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        },
        "1":{
          "label":"Real World Object URI",
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        },
        "2":{
          "label":"Source of term",
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        "6":{
          "label":"Linkage",
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        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "377":{
      "label":"Associated Language",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Source of code",
        "codes":{
          " ":"MARC language code",
          "7":"Source specified in $2"
        }
      },
      "subfields":{
        "a":{
          "label":"Language code",
          "repeatable":true
        },
        "l":{
          "label":"Language term",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source of code",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "378":{
      "label":"Fuller Form of Personal Name",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "q":{
          "label":"Fuller form of personal name",
          "repeatable":false
        },
        "u":{
          "label":"Uniform Resource Identifier",
          "repeatable":true
        },
        "v":{
          "label":"Source of information",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "380":{
      "label":"Form of Work",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Form of work",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source of term",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "381":{
      "label":"Other Distinguishing Characteristics of Work or Expression",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Other distinguishing characteristic",
          "repeatable":true
        },
        "u":{
          "label":"Uniform Resource Identifier",
          "repeatable":true
        },
        "v":{
          "label":"Source of information",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source of term",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "382":{
      "label":"Medium of Performance",
      "indicator1":{
        "label":"Display constant controller",
        "codes":{
          " ":"No information provided",
          "0":"Medium of performance",
          "1":"Partial medium of performance",
          "2":"Medium of performance of musical content of representative expression",
          "3":"Partial medium of performance of musical content of representative expression"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Medium of performance",
          "repeatable":true
        },
        "b":{
          "label":"Soloist",
          "repeatable":true
        },
        "d":{
          "label":"Doubling instrument",
          "repeatable":true
        },
        "e":{
          "label":"Number of ensembles of the same type",
          "repeatable":true
        },
        "n":{
          "label":"Number of performers of the same medium",
          "repeatable":true
        },
        "p":{
          "label":"Alternative medium of performance",
          "repeatable":true
        },
        "r":{
          "label":"Total number of individuals performing alongside ensembles",
          "repeatable":false
        },
        "s":{
          "label":"Total number of performers",
          "repeatable":false
        },
        "t":{
          "label":"Total number of ensembles",
          "repeatable":false
        },
        "v":{
          "label":"Note",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source of term",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "383":{
      "label":"Numeric Designation of Musical Work",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Serial number",
          "repeatable":true
        },
        "b":{
          "label":"Opus number",
          "repeatable":true
        },
        "c":{
          "label":"Thematic index number",
          "repeatable":true
        },
        "d":{
          "label":"Thematic index code",
          "repeatable":false
        },
        "e":{
          "label":"Publisher associated with opus number",
          "repeatable":false
        },
        "2":{
          "label":"Source",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "384":{
      "label":"Key",
      "indicator1":{
        "label":"Key type",
        "codes":{
          " ":"Relationship to original unknown",
          "0":"Original key",
          "1":"Transposed key",
          "2":"Key of representative expression"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Key",
          "repeatable":false
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "385":{
      "label":"Audience Characteristics",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Audience term",
          "repeatable":true
        },
        "b":{
          "label":"Audience code",
          "repeatable":true
        },
        "m":{
          "label":"Demographic group term",
          "repeatable":false
        },
        "n":{
          "label":"Demographic group code",
          "repeatable":false
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source",
          "repeatable":false
        },
        "3":{
          "label":"Materials specified",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "386":{
      "label":"Creator\/Contributor Characteristics",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Creator\/contributor term",
          "repeatable":true
        },
        "b":{
          "label":"Creator\/contributor code",
          "repeatable":true
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "m":{
          "label":"Demographic group term",
          "repeatable":false
        },
        "n":{
          "label":"Demographic group code",
          "repeatable":false
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source",
          "repeatable":false
        },
        "3":{
          "label":"Materials specified",
          "repeatable":false
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "387":{
      "label":"Representative Expression Characteristics",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Aspect ratio of representative expression",
          "repeatable":true
        },
        "b":{
          "label":"Color content of representative expression",
          "repeatable":true
        },
        "c":{
          "label":"Content type of representative expression",
          "repeatable":true
        },
        "d":{
          "label":"Date of capture of representative expression",
          "repeatable":true
        },
        "e":{
          "label":"Date of representative expression",
          "repeatable":true
        },
        "f":{
          "label":"Duration of representative expression",
          "repeatable":true
        },
        "g":{
          "label":"Intended audience of representative expression",
          "repeatable":true
        },
        "h":{
          "label":"Language of representative expression",
          "repeatable":true
        },
        "i":{
          "label":"Place of capture of representative expression",
          "repeatable":true
        },
        "j":{
          "label":"Projection of cartographic content of representative expression",
          "repeatable":true
        },
        "k":{
          "label":"Scale of representative expression",
          "repeatable":true
        },
        "l":{
          "label":"Script of representative expression",
          "repeatable":true
        },
        "m":{
          "label":"Sound content of representative expression",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source of term",
          "repeatable":false
        },
        "3":{
          "label":"Materials specified",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "388":{
      "label":"Time Period of Creation",
      "indicator1":{
        "label":"Type of time period",
        "codes":{
          " ":"No information provided",
          "1":"Creation of work",
          "2":"Creation of aggregate work"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Time period of creation term",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source of term",
          "repeatable":false
        },
        "3":{
          "label":"Materials specified",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "400":{
      "label":"See From Tracing-Personal Name",
      "indicator1":{
        "label":"Type of personal name element",
        "codes":{
          "0":"Forename",
          "1":"Surname",
          "3":"Family name"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Personal name",
          "repeatable":false
        },
        "b":{
          "label":"Numeration",
          "repeatable":false
        },
        "c":{
          "label":"Titles and other words associated with a name",
          "repeatable":true
        },
        "d":{
          "label":"Dates associated with a name",
          "repeatable":false
        },
        "e":{
          "label":"Relator term",
          "repeatable":true
        },
        "f":{
          "label":"Date of a work",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "h":{
          "label":"Medium",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "j":{
          "label":"Attribution qualifier",
          "repeatable":true
        },
        "k":{
          "label":"Form subheading",
          "repeatable":true
        },
        "l":{
          "label":"Language of a work",
          "repeatable":false
        },
        "m":{
          "label":"Medium of performance for music",
          "repeatable":true
        },
        "n":{
          "label":"Number of part\/section of a work",
          "repeatable":true
        },
        "o":{
          "label":"Arranged statement for music",
          "repeatable":false
        },
        "p":{
          "label":"Name of part\/section of a work",
          "repeatable":true
        },
        "q":{
          "label":"Fuller form of name",
          "repeatable":false
        },
        "r":{
          "label":"Key for music",
          "repeatable":false
        },
        "s":{
          "label":"Version",
          "repeatable":true
        },
        "t":{
          "label":"Title of a work",
          "repeatable":false
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "410":{
      "label":"See From Tracing-Corporate Name",
      "indicator1":{
        "label":"Type of corporate name entry element",
        "codes":{
          "0":"Inverted name",
          "1":"Jurisdiction name",
          "2":"Name in direct order"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Corporate name or jurisdiction name as entry element",
          "repeatable":false
        },
        "b":{
          "label":"Subordinate unit",
          "repeatable":true
        },
        "c":{
          "label":"Location of meeting",
          "repeatable":true
        },
        "d":{
          "label":"Date of meeting or treaty signing",
          "repeatable":true
        },
        "e":{
          "label":"Relator term",
          "repeatable":true
        },
        "f":{
          "label":"Date of a work",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "h":{
          "label":"Medium",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "k":{
          "label":"Form subheading",
          "repeatable":true
        },
        "l":{
          "label":"Language of a work",
          "repeatable":false
        },
        "m":{
          "label":"Medium of performance for music",
          "repeatable":true
        },
        "n":{
          "label":"Number of part\/section\/meeting",
          "repeatable":true
        },
        "o":{
          "label":"Arranged statement for music",
          "repeatable":false
        },
        "p":{
          "label":"Name of part\/section of a work",
          "repeatable":true
        },
        "r":{
          "label":"Key for music",
          "repeatable":false
        },
        "s":{
          "label":"Version",
          "repeatable":true
        },
        "t":{
          "label":"Title of a work",
          "repeatable":false
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "411":{
      "label":"See From Tracing-Meeting Name",
      "indicator1":{
        "label":"Type of meeting name entry element",
        "codes":{
          "0":"Inverted name",
          "1":"Jurisdiction name",
          "2":"Name in direct order"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Meeting name or jurisdiction name as entry element",
          "repeatable":false
        },
        "c":{
          "label":"Location of meeting",
          "repeatable":true
        },
        "d":{
          "label":"Date of meeting or treaty signing",
          "repeatable":true
        },
        "e":{
          "label":"Subordinate unit",
          "repeatable":true
        },
        "f":{
          "label":"Date of a work",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "h":{
          "label":"Medium",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "j":{
          "label":"Relator term",
          "repeatable":true
        },
        "k":{
          "label":"Form subheading",
          "repeatable":true
        },
        "l":{
          "label":"Language of a work",
          "repeatable":false
        },
        "n":{
          "label":"Number of part\/section\/meeting",
          "repeatable":true
        },
        "p":{
          "label":"Name of part\/section of a work",
          "repeatable":true
        },
        "q":{
          "label":"Name of meeting following jurisdiction name entry element",
          "repeatable":false
        },
        "s":{
          "label":"Version",
          "repeatable":true
        },
        "t":{
          "label":"Title of a work",
          "repeatable":false
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "430":{
      "label":"See From Tracing-Uniform Title",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Nonfiling characters",
        "codes":{
          "0-9":"Number of nonfiling characters"
        }
      },
      "subfields":{
        "a":{
          "label":"Uniform title",
          "repeatable":false
        },
        "d":{
          "label":"Date of treaty signing",
          "repeatable":true
        },
        "f":{
          "label":"Date of a work",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "h":{
          "label":"Medium",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "k":{
          "label":"Form subheading",
          "repeatable":true
        },
        "l":{
          "label":"Language of a work",
          "repeatable":false
        },
        "m":{
          "label":"Medium of performance for music",
          "repeatable":true
        },
        "n":{
          "label":"Number of part\/section of a work",
          "repeatable":true
        },
        "o":{
          "label":"Arranged statement for music",
          "repeatable":false
        },
        "p":{
          "label":"Name of part\/section of a work",
          "repeatable":true
        },
        "r":{
          "label":"Key for music",
          "repeatable":false
        },
        "s":{
          "label":"Version",
          "repeatable":true
        },
        "t":{
          "label":"Title of a work",
          "repeatable":false
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "447":{
      "label":"See From Tracing-Named Event",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Named event",
          "repeatable":false
        },
        "c":{
          "label":"Location of named event",
          "repeatable":true
        },
        "d":{
          "label":"Date of named event",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "448":{
      "label":"See From Tracing-Chronological Term",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Chronological term",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "450":{
      "label":"See From Tracing-Topical Term",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Topical term or geographic name entry element",
          "repeatable":false
        },
        "b":{
          "label":"Topical term following geographic name entry element",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "451":{
      "label":"See From Tracing-Geographic Name",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Geographic name",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "455":{
      "label":"See From Tracing-Genre\/Form Term",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Genre\/form term",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "462":{
      "label":"See From Tracing-Medium of Performance Term",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Medium of performance term",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "480":{
      "label":"See From Tracing-General Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "481":{
      "label":"See From Tracing-Geographic Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "482":{
      "label":"See From Tracing-Chronological Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "485":{
      "label":"See From Tracing-Form Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "500":{
      "label":"See Also From Tracing-Personal Name",
      "indicator1":{
        "label":"Type of personal name entry element",
        "codes":{
          "0":"Forename",
          "1":"Surname",
          "3":"Family name"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Personal name",
          "repeatable":false
        },
        "b":{
          "label":"Numeration",
          "repeatable":false
        },
        "c":{
          "label":"Titles and other words associated with a name",
          "repeatable":true
        },
        "d":{
          "label":"Dates associated with a name",
          "repeatable":false
        },
        "e":{
          "label":"Relator term",
          "repeatable":true
        },
        "f":{
          "label":"Date of a work",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "h":{
          "label":"Medium",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "j":{
          "label":"Attribution qualifier",
          "repeatable":true
        },
        "k":{
          "label":"Form subheading",
          "repeatable":true
        },
        "l":{
          "label":"Language of a work",
          "repeatable":false
        },
        "m":{
          "label":"Medium of performance for music",
          "repeatable":true
        },
        "n":{
          "label":"Number of part\/section of a work",
          "repeatable":true
        },
        "o":{
          "label":"Arranged statement for music",
          "repeatable":false
        },
        "p":{
          "label":"Name of part\/section of a work",
          "repeatable":true
        },
        "q":{
          "label":"Fuller form of name",
          "repeatable":false
        },
        "r":{
          "label":"Key for music",
          "repeatable":false
        },
        "s":{
          "label":"Version",
          "repeatable":true
        },
        "t":{
          "label":"Title of a work",
          "repeatable":false
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "510":{
      "label":"See Also From Tracing-Corporate Name",
      "indicator1":{
        "label":"Type of corporate name entry element",
        "codes":{
          "0":"Inverted name",
          "1":"Jurisdiction name",
          "2":"Name in direct order"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Corporate name or jurisdiction name as entry element",
          "repeatable":false
        },
        "b":{
          "label":"Subordinate unit",
          "repeatable":true
        },
        "c":{
          "label":"Location of meeting",
          "repeatable":true
        },
        "d":{
          "label":"Date of meeting or treaty signing",
          "repeatable":true
        },
        "e":{
          "label":"Relator term",
          "repeatable":true
        },
        "f":{
          "label":"Date of a work",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "h":{
          "label":"Medium",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "k":{
          "label":"Form subheading",
          "repeatable":true
        },
        "l":{
          "label":"Language of a work",
          "repeatable":false
        },
        "m":{
          "label":"Medium of performance for music",
          "repeatable":true
        },
        "n":{
          "label":"Number of part\/section\/meeting",
          "repeatable":true
        },
        "o":{
          "label":"Arranged statement for music",
          "repeatable":false
        },
        "p":{
          "label":"Name of part\/section of a work",
          "repeatable":true
        },
        "r":{
          "label":"Key for music",
          "repeatable":false
        },
        "s":{
          "label":"Version",
          "repeatable":true
        },
        "t":{
          "label":"Title of a work",
          "repeatable":false
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "511":{
      "label":"See Also From Tracing-Meeting Name",
      "indicator1":{
        "label":"Type of meeting name entry element",
        "codes":{
          "0":"Inverted name",
          "1":"Jurisdiction name",
          "2":"Name in direct order"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Meeting name or jurisdiction name as entry element",
          "repeatable":false
        },
        "c":{
          "label":"Location of meeting",
          "repeatable":true
        },
        "d":{
          "label":"Date of meeting or treaty signing",
          "repeatable":true
        },
        "e":{
          "label":"Subordinate unit",
          "repeatable":true
        },
        "f":{
          "label":"Date of a work",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "h":{
          "label":"Medium",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "j":{
          "label":"Relator term",
          "repeatable":true
        },
        "k":{
          "label":"Form subheading",
          "repeatable":true
        },
        "l":{
          "label":"Language of a work",
          "repeatable":false
        },
        "n":{
          "label":"Number of part\/section\/meeting",
          "repeatable":true
        },
        "p":{
          "label":"Name of part\/section of a work",
          "repeatable":true
        },
        "q":{
          "label":"Name of meeting following jurisdiction name entry element",
          "repeatable":false
        },
        "s":{
          "label":"Version",
          "repeatable":true
        },
        "t":{
          "label":"Title of a work",
          "repeatable":false
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "530":{
      "label":"See Also From Tracing-Uniform Title",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Nonfiling characters",
        "codes":{
          "0-9":"Number of nonfiling characters"
        }
      },
      "subfields":{
        "a":{
          "label":"Uniform title",
          "repeatable":false
        },
        "d":{
          "label":"Date of treaty signing",
          "repeatable":true
        },
        "f":{
          "label":"Date of a work",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "h":{
          "label":"Medium",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "k":{
          "label":"Form subheading",
          "repeatable":true
        },
        "l":{
          "label":"Language of a work",
          "repeatable":false
        },
        "m":{
          "label":"Medium of performance for music",
          "repeatable":true
        },
        "n":{
          "label":"Number of part\/section of a work",
          "repeatable":true
        },
        "o":{
          "label":"Arranged statement for music",
          "repeatable":false
        },
        "p":{
          "label":"Name of part\/section of a work",
          "repeatable":true
        },
        "r":{
          "label":"Key for music",
          "repeatable":false
        },
        "s":{
          "label":"Version",
          "repeatable":true
        },
        "t":{
          "label":"Title of a work",
          "repeatable":false
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "547":{
      "label":"See Also From Tracing-Named Event",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Named event",
          "repeatable":false
        },
        "c":{
          "label":"Location of named event",
          "repeatable":true
        },
        "d":{
          "label":"Date of named event",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "548":{
      "label":"See Also From Tracing-Chronological Term",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Chronological term",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "550":{
      "label":"See Also From Tracing-Topical Term",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Topical term or geographic name entry element",
          "repeatable":false
        },
        "b":{
          "label":"Topical term following geographic name entry element",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "551":{
      "label":"See Also From Tracing-Geographic Name",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Geographic name",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "555":{
      "label":"See Also From Tracing-Genre\/Form Term",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Genre\/form term",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "562":{
      "label":"See Also From Tracing-Medium of Performance Term",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Medium of performance term",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "580":{
      "label":"See Also From Tracing-General Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "581":{
      "label":"See Also From Tracing-Geographic Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "582":{
      "label":"See Also From Tracing-Chronological Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Special relationship",
              "code":"0"
            },
            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
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          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
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      },
      "repeatable":true
    },
    "585":{
      "label":"See Also From Tracing-Form Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "subfields":{
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          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
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          "codes":{
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              "label":"Special relationship",
              "code":"0"
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            "1":{
              "label":"Tracing use restriction",
              "code":"1"
            },
            "2":{
              "label":"Earlier form of heading",
              "code":"2"
            },
            "3":{
              "label":"Reference display",
              "code":"3"
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          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "640":{
      "label":"Series Dates of Publication and\/or Sequential Designation",
      "indicator1":{
        "label":"Note format style",
        "codes":{
          "0":"Formatted style",
          "1":"Unformatted style"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Dates of publication and\/or sequential designation",
          "repeatable":false
        },
        "z":{
          "label":"Source of information",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "641":{
      "label":"Series Numbering Peculiarities",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Numbering peculiarities note",
          "repeatable":false
        },
        "z":{
          "label":"Source of information",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "642":{
      "label":"Series Numbering Example",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Series numbering example",
          "repeatable":false
        },
        "d":{
          "label":"Volumes\/dates to which series numbering example applies",
          "repeatable":false
        },
        "5":{
          "label":"Institution\/copy to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "643":{
      "label":"Series Place and Publisher\/Issuing Body",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Place",
          "repeatable":true
        },
        "b":{
          "label":"Publisher\/issuing body",
          "repeatable":true
        },
        "d":{
          "label":"Volumes\/dates to which place and publisher\/issuing body apply",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "644":{
      "label":"Series Analysis Practice",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Series analysis practice",
          "repeatable":false
        },
        "b":{
          "label":"Exceptions to analysis practice",
          "repeatable":false
        },
        "d":{
          "label":"Volumes\/dates to which analysis practice applies",
          "repeatable":false
        },
        "5":{
          "label":"Institution\/copy to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "645":{
      "label":"Series Tracing Practice",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Series tracing practice",
          "repeatable":false
        },
        "d":{
          "label":"Volumes\/dates to which tracing practice applies",
          "repeatable":false
        },
        "5":{
          "label":"Institution\/copy to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "646":{
      "label":"Series Classification Practice",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Series classification practice",
          "repeatable":false
        },
        "d":{
          "label":"Volumes\/dates to which classification practice applies",
          "repeatable":false
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "663":{
      "label":"Complex See Also Reference-Name",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Explanatory text",
          "repeatable":true
        },
        "b":{
          "label":"Heading referred to",
          "repeatable":true
        },
        "t":{
          "label":"Title referred to",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "664":{
      "label":"Complex See Reference-Name",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Explanatory text",
          "repeatable":true
        },
        "b":{
          "label":"Heading referred to",
          "repeatable":true
        },
        "t":{
          "label":"Title referred to",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "665":{
      "label":"History Reference",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"History reference",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "666":{
      "label":"General Explanatory Reference-Name",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"General explanatory reference",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "667":{
      "label":"Nonpublic General Note",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Nonpublic general note",
          "repeatable":false
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "670":{
      "label":"Source Data Found",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Source citation",
          "repeatable":false
        },
        "b":{
          "label":"Information found",
          "repeatable":false
        },
        "u":{
          "label":"Uniform Resource Identifier",
          "repeatable":true
        },
        "w":{
          "label":"Bibliographic record control number",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "672":{
      "label":"Title Related to the Entity",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Nonfiling characters",
        "codes":{
          "0":"No nonfiling characters",
          "1-9":"Number of nonfiling characters"
        }
      },
      "subfields":{
        "a":{
          "label":"Title",
          "repeatable":false
        },
        "b":{
          "label":"Remainder of title",
          "repeatable":false
        },
        "f":{
          "label":"Date",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "w":{
          "label":"Bibliographic record control number",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "673":{
      "label":"Title Not Related to the Entity",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Nonfiling characters",
        "codes":{
          "0":"No nonfiling characters",
          "1-9":"Number of nonfiling characters"
        }
      },
      "subfields":{
        "a":{
          "label":"Title",
          "repeatable":false
        },
        "b":{
          "label":"Remainder of title",
          "repeatable":false
        },
        "f":{
          "label":"Date",
          "repeatable":false
        },
        "w":{
          "label":"Bibliographic record control number",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "675":{
      "label":"Source Data Not Found",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Source citation",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "677":{
      "label":"Definition",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Definition",
          "repeatable":true
        },
        "u":{
          "label":"Uniform Resource Identifier",
          "repeatable":true
        },
        "v":{
          "label":"Source of definition",
          "repeatable":false
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "678":{
      "label":"Biographical or Historical Data",
      "indicator1":{
        "label":"Type of data",
        "codes":{
          " ":"No information provided",
          "0":"Biographical sketch",
          "1":"Administrative history"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Biographical or historical data",
          "repeatable":true
        },
        "b":{
          "label":"Expansion",
          "repeatable":false
        },
        "u":{
          "label":"Uniform Resource Identifier",
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        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "680":{
      "label":"Public General Note",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Heading or subdivision term",
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        },
        "i":{
          "label":"Explanatory text",
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        },
        "5":{
          "label":"Institution to which field applies",
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        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "681":{
      "label":"Subject Example Tracing Note",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Subject heading or subdivision term",
          "repeatable":true
        },
        "i":{
          "label":"Explanatory text",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "682":{
      "label":"Deleted Heading Information",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Replacement heading",
          "repeatable":true
        },
        "i":{
          "label":"Explanatory text",
          "repeatable":true
        },
        "0":{
          "label":"Replacement authority record control number",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "688":{
      "label":"Application History Note",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Application history note",
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        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "700":{
      "label":"Established Heading Linking Entry-Personal Name",
      "indicator1":{
        "label":"Type of personal name entry element",
        "codes":{
          "0":"Forename",
          "1":"Surname",
          "3":"Family name"
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      },
      "indicator2":{
        "label":"Thesaurus",
        "codes":{
          "0":"Library of Congress Subject Headings",
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          "3":"National Agricultural Library subject authority file",
          "4":"Source not specified",
          "5":"Canadian Subject Headings",
          "6":"Répertoire de vedettes-matière",
          "7":"Source specified in subfield $2"
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      },
      "subfields":{
        "a":{
          "label":"Personal name",
          "repeatable":false
        },
        "b":{
          "label":"Numeration",
          "repeatable":false
        },
        "c":{
          "label":"Titles and other words associated with a name",
          "repeatable":true
        },
        "d":{
          "label":"Dates associated with a name",
          "repeatable":false
        },
        "e":{
          "label":"Relator term",
          "repeatable":true
        },
        "f":{
          "label":"Date of a work",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "h":{
          "label":"Medium",
          "repeatable":false
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "j":{
          "label":"Attribution qualifier",
          "repeatable":true
        },
        "k":{
          "label":"Form subheading",
          "repeatable":true
        },
        "l":{
          "label":"Language of a work",
          "repeatable":false
        },
        "m":{
          "label":"Medium of performance for music",
          "repeatable":true
        },
        "n":{
          "label":"Number of part\/section of a work",
          "repeatable":true
        },
        "o":{
          "label":"Arranged statement for music",
          "repeatable":false
        },
        "p":{
          "label":"Name of part\/section of a work",
          "repeatable":true
        },
        "q":{
          "label":"Fuller form of name",
          "repeatable":false
        },
        "r":{
          "label":"Key for music",
          "repeatable":false
        },
        "s":{
          "label":"Version",
          "repeatable":true
        },
        "t":{
          "label":"Title of a work",
          "repeatable":false
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Link display",
              "code":"0"
            },
            "1":{
              "label":"Replacement complexity",
              "code":"1"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
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          "label":"Form subheading",
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        "8":{
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        "h":{
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        "z":{
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        "7":{
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        "8":{
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          "repeatable":true
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      "repeatable":true
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          "6":"Répertoire de vedettes-matière",
          "7":"Source specified in subfield $2"
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          "label":"Date of treaty signing",
          "repeatable":true
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        "f":{
          "label":"Date of a work",
          "repeatable":false
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        "g":{
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        "h":{
          "label":"Medium",
          "repeatable":false
        },
        "i":{
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          "repeatable":true
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        "k":{
          "label":"Form subheading",
          "repeatable":true
        },
        "l":{
          "label":"Language of a work",
          "repeatable":false
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        "m":{
          "label":"Medium of performance for music",
          "repeatable":true
        },
        "n":{
          "label":"Number of part\/section of a work",
          "repeatable":true
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        "o":{
          "label":"Arranged statement for music",
          "repeatable":false
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        "p":{
          "label":"Name of part\/section of a work",
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        "r":{
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        "s":{
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        "t":{
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        "v":{
          "label":"Form subdivision",
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              "label":"Link display",
              "code":"0"
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          "repeatable":true
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        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
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        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
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        "1":{
          "label":"Real World Object URI",
          "repeatable":true
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        "2":{
          "label":"Source of heading or term",
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        "5":{
          "label":"Institution to which field applies",
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        "6":{
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          "repeatable":false
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        "7":{
          "label":"Data provenance",
          "repeatable":true
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        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
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      "repeatable":true
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      "indicator2":{
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          "3":"National Agricultural Library subject authority file",
          "4":"Source not specified",
          "5":"Canadian Subject Headings",
          "6":"Répertoire de vedettes-matière",
          "7":"Source specified in subfield $2"
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      "subfields":{
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          "repeatable":false
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        "c":{
          "label":"Location of named event",
          "repeatable":true
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        "d":{
          "label":"Date of named event",
          "repeatable":false
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        "g":{
          "label":"Miscellaneous information",
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        "i":{
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        "v":{
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        "w":{
          "label":"Control subfield",
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          "codes":{
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              "label":"Link display",
              "code":"0"
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        "z":{
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        "2":{
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        "4":{
          "label":"Relationship",
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        "5":{
          "label":"Institution to which field applies",
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        "6":{
          "label":"Linkage",
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        "7":{
          "label":"Data provenance",
          "repeatable":true
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        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "748":{
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        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "indicator2":{
        "label":"Thesaurus",
        "codes":{
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          "7":"Source specified in subfield $2"
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        "i":{
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        "w":{
          "label":"Control subfield",
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          "codes":{
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              "label":"Link display",
              "code":"0"
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            "1":{
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          "repeatable":true
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        "y":{
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          "repeatable":true
        },
        "z":{
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        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
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        "2":{
          "label":"Source of heading or term",
          "repeatable":false
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        "4":{
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        "5":{
          "label":"Institution to which field applies",
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        "6":{
          "label":"Linkage",
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        "7":{
          "label":"Data provenance",
          "repeatable":true
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        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
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      },
      "repeatable":true
    },
    "750":{
      "label":"Established Heading Linking Entry-Topical Term",
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        "codes":{
          " ":"Undefined"
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      "indicator2":{
        "label":"Thesaurus",
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          "5":"Canadian Subject Headings",
          "6":"Répertoire de vedettes-matière",
          "7":"Source specified in subfield $2"
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      "subfields":{
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          "label":"Topical term or geographic name entry element",
          "repeatable":false
        },
        "b":{
          "label":"Topical term following geographic name entry element",
          "repeatable":false
        },
        "g":{
          "label":"Miscellaneous information",
          "repeatable":true
        },
        "i":{
          "label":"Relationship information",
          "repeatable":true
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        "v":{
          "label":"Form subdivision",
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        },
        "w":{
          "label":"Control subfield",
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          "codes":{
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              "label":"Link display",
              "code":"0"
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        "y":{
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        "z":{
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        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
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      },
      "repeatable":true
    },
    "751":{
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        "codes":{
          " ":"Undefined"
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      "indicator2":{
        "label":"Thesaurus",
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          "7":"Source specified in subfield $2"
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        "i":{
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        "v":{
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        "w":{
          "label":"Control subfield",
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              "label":"Link display",
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        "z":{
          "label":"Geographic subdivision",
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          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
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        "2":{
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        "4":{
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        "5":{
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        "6":{
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        "7":{
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        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
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      "repeatable":true
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      "repeatable":true
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        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
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      },
      "repeatable":true
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    "780":{
      "label":"Subdivision Linking Entry-General Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
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      "indicator2":{
        "label":"Thesaurus",
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          "3":"National Agricultural Library subject authority file",
          "4":"Source not specified",
          "5":"Canadian Subject Headings",
          "6":"Répertoire de vedettes-matière",
          "7":"Source specified in subfield $2"
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      },
      "subfields":{
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          "label":"Relationship information",
          "repeatable":true
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        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
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              "label":"Link display",
              "code":"0"
            },
            "1":{
              "label":"Replacement complexity",
              "code":"1"
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          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source of heading or term",
          "repeatable":false
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "781":{
      "label":"Subdivision Linking Entry-Geographic Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "indicator2":{
        "label":"Thesaurus",
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          "3":"National Agricultural Library subject authority file",
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          "5":"Canadian Subject Headings",
          "6":"Répertoire de vedettes-matière",
          "7":"Source specified in subfield $2"
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      },
      "subfields":{
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          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Link display",
              "code":"0"
            },
            "1":{
              "label":"Replacement complexity",
              "code":"1"
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          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source of heading or term",
          "repeatable":false
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "782":{
      "label":"Subdivision Linking Entry-Chronological Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
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      },
      "indicator2":{
        "label":"Thesaurus",
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          "3":"National Agricultural Library subject authority file",
          "4":"Source not specified",
          "5":"Canadian Subject Headings",
          "6":"Répertoire de vedettes-matière",
          "7":"Source specified in subfield $2"
        }
      },
      "subfields":{
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
            "0":{
              "label":"Link display",
              "code":"0"
            },
            "1":{
              "label":"Replacement complexity",
              "code":"1"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source of heading or term",
          "repeatable":false
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "785":{
      "label":"Subdivision Linking Entry-Form Subdivision",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Thesaurus",
        "codes":{
          "0":"Library of Congress Subject Headings",
          "1":"Library of Congress Children's and Young Adults' Subject Headings",
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          "3":"National Agricultural Library subject authority file",
          "4":"Source not specified",
          "5":"Canadian Subject Headings",
          "6":"Répertoire de vedettes-matière",
          "7":"Source specified in subfield $2"
        }
      },
      "subfields":{
        "i":{
          "label":"Relationship information",
          "repeatable":true
        },
        "v":{
          "label":"Form subdivision",
          "repeatable":true
        },
        "w":{
          "label":"Control subfield",
          "repeatable":false,
          "codes":{
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              "label":"Link display",
              "code":"0"
            },
            "1":{
              "label":"Replacement complexity",
              "code":"1"
            }
          }
        },
        "x":{
          "label":"General subdivision",
          "repeatable":true
        },
        "y":{
          "label":"Chronological subdivision",
          "repeatable":true
        },
        "z":{
          "label":"Geographic subdivision",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source of heading or term",
          "repeatable":false
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "788":{
      "label":"Complex Linking Entry Data",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Thesaurus",
        "codes":{
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          "3":"National Agricultural Library subject authority file",
          "4":"Source not specified",
          "5":"Canadian Subject Headings",
          "6":"Répertoire de vedettes-matière",
          "7":"Source specified in subfield $2"
        }
      },
      "subfields":{
        "a":{
          "label":"Heading referred to",
          "repeatable":true
        },
        "i":{
          "label":"Explanatory text",
          "repeatable":true
        },
        "2":{
          "label":"Source of heading or term",
          "repeatable":false
        },
        "4":{
          "label":"Relationship",
          "repeatable":true
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":true
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Data provenance",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":false
    },
    "856":{
      "label":"Electronic Location and Access",
      "indicator1":{
        "label":"Access method",
        "codes":{
          " ":"No information provided",
          "0":"Email",
          "1":"FTP",
          "2":"Remote login (Telnet)",
          "3":"Dial-up",
          "4":"HTTP",
          "7":"Method specified in subfield $2"
        }
      },
      "indicator2":{
        "label":"Relationship",
        "codes":{
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          "0":"Resource",
          "1":"Version of resource",
          "2":"Related resource",
          "3":"Component part(s) of resource",
          "4":"Version of component part(s) of resource",
          "8":"No display constant generated"
        }
      },
      "subfields":{
        "a":{
          "label":"Host name",
          "repeatable":true
        },
        "c":{
          "label":"Compression information",
          "repeatable":true
        },
        "d":{
          "label":"Path",
          "repeatable":true
        },
        "e":{
          "label":"Data provenance",
          "repeatable":true
        },
        "f":{
          "label":"Electronic name",
          "repeatable":true
        },
        "g":{
          "label":"Persistent identifier",
          "repeatable":true
        },
        "h":{
          "label":"Non-functioning Uniform Resource Identifier",
          "repeatable":true
        },
        "l":{
          "label":"Standardized information governing access",
          "repeatable":true
        },
        "m":{
          "label":"Contact for access assistance",
          "repeatable":true
        },
        "n":{
          "label":"Terms governing access",
          "repeatable":true
        },
        "o":{
          "label":"Operating system",
          "repeatable":false
        },
        "p":{
          "label":"Port",
          "repeatable":false
        },
        "q":{
          "label":"Electronic format type",
          "repeatable":true
        },
        "r":{
          "label":"Standardized information governing use and reproduction",
          "repeatable":true
        },
        "s":{
          "label":"File size",
          "repeatable":true
        },
        "t":{
          "label":"Terms governing use and reproduction",
          "repeatable":true
        },
        "u":{
          "label":"Uniform Resource Identifier",
          "repeatable":true
        },
        "v":{
          "label":"Hours access method available",
          "repeatable":true
        },
        "w":{
          "label":"Record control number",
          "repeatable":true
        },
        "x":{
          "label":"Nonpublic note",
          "repeatable":true
        },
        "y":{
          "label":"Link text",
          "repeatable":true
        },
        "z":{
          "label":"Public note",
          "repeatable":true
        },
        "2":{
          "label":"Access method",
          "repeatable":false
        },
        "3":{
          "label":"Materials specified",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Access status",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "857":{
      "label":"Electronic Archive Location and Access",
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        "label":"Access method",
        "codes":{
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      "indicator2":{
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          "3":"Component part(s) of resource",
          "4":"Version of component part(s) of resource",
          "8":"No display constant generated"
        }
      },
      "subfields":{
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          "label":"Name of archiving agency",
          "repeatable":false
        },
        "c":{
          "label":"Name of Web archive or digital archive repository",
          "repeatable":false
        },
        "d":{
          "label":"Date range of archived material",
          "repeatable":false
        },
        "e":{
          "label":"Data provenance",
          "repeatable":true
        },
        "f":{
          "label":"Archive completeness",
          "repeatable":false
        },
        "g":{
          "label":"Persistent identifier",
          "repeatable":true
        },
        "h":{
          "label":"Non-functioning Uniform Resource Identifier",
          "repeatable":true
        },
        "l":{
          "label":"Standardized information governing access",
          "repeatable":true
        },
        "m":{
          "label":"Contact for access assistance",
          "repeatable":true
        },
        "n":{
          "label":"Terms governing access",
          "repeatable":true
        },
        "q":{
          "label":"Electronic format type",
          "repeatable":true
        },
        "r":{
          "label":"Standardized information governing use and reproduction",
          "repeatable":true
        },
        "s":{
          "label":"File size",
          "repeatable":true
        },
        "t":{
          "label":"Terms governing use and reproduction",
          "repeatable":true
        },
        "u":{
          "label":"Uniform Resource Identifier",
          "repeatable":true
        },
        "x":{
          "label":"Nonpublic note",
          "repeatable":true
        },
        "y":{
          "label":"Link text",
          "repeatable":true
        },
        "z":{
          "label":"Public note",
          "repeatable":true
        },
        "2":{
          "label":"Access method",
          "repeatable":false
        },
        "3":{
          "label":"Materials specified",
          "repeatable":false
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        },
        "7":{
          "label":"Access status",
          "repeatable":false
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "880":{
      "label":"Alternate Graphic Representation",
      "indicator1":{
        "label":"Same as associated field",
        "codes":{
        }
      },
      "indicator2":{
        "label":"Same as associated field",
        "codes":{
        }
      },
      "subfields":{
        "a-z":{
          "label":"",
          "repeatable":false
        },
        "0-5":{
          "label":"",
          "repeatable":false
        },
        "7-9":{
          "label":"",
          "repeatable":false
        },
        "6":{
          "label":"Linkage",
          "repeatable":false
        }
      },
      "repeatable":true
    },
    "883":{
      "label":"Metadata Provenance",
      "indicator1":{
        "label":"Method of assignment",
        "codes":{
          " ":"No information provided\/not applicable",
          "0":"Fully machine-generated",
          "1":"Partially machine-generated",
          "2":"Not machine-generated"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Creation process",
          "repeatable":false
        },
        "c":{
          "label":"Confidence value",
          "repeatable":false
        },
        "d":{
          "label":"Creation date",
          "repeatable":false
        },
        "q":{
          "label":"Assigning or generating agency",
          "repeatable":false
        },
        "x":{
          "label":"Validity end date",
          "repeatable":false
        },
        "u":{
          "label":"Uniform Resource Identifier",
          "repeatable":false
        },
        "w":{
          "label":"Bibliographic record control number",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "8":{
          "label":"Field link and sequence number",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "884":{
      "label":"Description Conversion Information",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Conversion process",
          "repeatable":false
        },
        "g":{
          "label":"Conversion date",
          "repeatable":false
        },
        "k":{
          "label":"Identifier of source metadata",
          "repeatable":false
        },
        "q":{
          "label":"Conversion agency",
          "repeatable":false
        },
        "u":{
          "label":"Uniform Resource Identifier",
          "repeatable":true
        }
      },
      "repeatable":true
    },
    "885":{
      "label":"Matching Information",
      "indicator1":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "indicator2":{
        "label":"Undefined",
        "codes":{
          " ":"Undefined"
        }
      },
      "subfields":{
        "a":{
          "label":"Matching information",
          "repeatable":false
        },
        "b":{
          "label":"Status of matching and its checking",
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        },
        "c":{
          "label":"Confidence value",
          "repeatable":false
        },
        "d":{
          "label":"Generation date",
          "repeatable":false
        },
        "w":{
          "label":"Record control number",
          "repeatable":true
        },
        "x":{
          "label":"Nonpublic note",
          "repeatable":true
        },
        "z":{
          "label":"Public note",
          "repeatable":true
        },
        "0":{
          "label":"Authority record control number or standard number",
          "repeatable":true
        },
        "1":{
          "label":"Real World Object URI",
          "repeatable":true
        },
        "2":{
          "label":"Source",
          "repeatable":false
        },
        "5":{
          "label":"Institution to which field applies",
          "repeatable":false
        }
      },
      "repeatable":true
    },
    "LDR":{
      "label":"Leader",
      "positions":{
        "0-4":{
          "label":"Record length",
          "start":0,
          "end":4,
          "codes":{
          }
        },
        "5-5":{
          "label":"Record status",
          "start":5,
          "end":5,
          "codes":{
            "a":"Increase in encoding level",
            "c":"Corrected or revised",
            "d":"Deleted",
            "n":"New",
            "o":"Obsolete",
            "s":"Deleted; heading split into two or more headings",
            "x":"Deleted; heading replaced by another heading"
          }
        },
        "6-6":{
          "label":"Type of record",
          "start":6,
          "end":6,
          "codes":{
            "z":"Authority data"
          }
        },
        "7-8":{
          "label":"Undefined character positions",
          "start":7,
          "end":8,
          "codes":{
            " ":"Undefined"
          }
        },
        "9-9":{
          "label":"Character coding scheme",
          "start":9,
          "end":9,
          "codes":{
            " ":"MARC-8",
            "a":"UCS\/Unicode"
          }
        },
        "10-10":{
          "label":"Indicator count",
          "start":10,
          "end":10,
          "codes":{
            "2":"Number of character positions used for indicators"
          }
        },
        "11-11":{
          "label":"Subfield code length",
          "start":11,
          "end":11,
          "codes":{
            "2":"Number of character positions used for a subfield code"
          }
        },
        "12-16":{
          "label":"Base address of data",
          "start":12,
          "end":16,
          "codes":{
            "[number]":"Length of Leader and Directory"
          }
        },
        "17-17":{
          "label":"Encoding level",
          "start":17,
          "end":17,
          "codes":{
            "n":"Complete authority record",
            "o":"Incomplete authority record"
          }
        },
        "18-18":{
          "label":"Punctuation policy",
          "start":18,
          "end":18,
          "codes":{
            " ":"No information provided",
            "c":"Punctuation omitted",
            "i":"Punctuation included",
            "u":"Unknown"
          }
        },
        "19-19":{
          "label":"Undefined",
          "start":19,
          "end":19,
          "codes":{
            " ":"Undefined"
          }
        },
        "20-20":{
          "label":"Length of the length-of-field portion",
          "start":20,
          "end":20,
          "codes":{
            "4":"Number of characters in the length-of-field portion of a Directory entry"
          }
        },
        "21-21":{
          "label":"Length of the starting-character-position portion",
          "start":21,
          "end":21,
          "codes":{
            "5":"Number of characters in the starting-character-position portion of a Directory entry"
          }
        },
        "22-22":{
          "label":"Length of the implementation-defined portion",
          "start":22,
          "end":22,
          "codes":{
            "0":"Number of characters in the implementation-defined portion of a Directory entry"
          }
        },
        "23-23":{
          "label":"Undefined",
          "start":23,
          "end":23,
          "codes":{
            "0":"Undefined"
          }
        }
      },
      "repeatable":false
    },
    "001":{
      "label":"Control Number",
      "repeatable":false
    },
    "003":{
      "label":"Control Number Identifier",
      "repeatable":false
    },
    "005":{
      "label":"Date and Time of Latest Transaction",
      "repeatable":false
    }
  }
}