diff --git a/quantgov/__init__.py b/quantgov/__init__.py
index 2da9b57..c699782 100644
--- a/quantgov/__init__.py
+++ b/quantgov/__init__.py
@@ -13,4 +13,4 @@
 
 from .utils import load_driver
 
-__version__ = '0.4.1'
+__version__ = '0.4.2'
diff --git a/quantgov/corpus/structures.py b/quantgov/corpus/structures.py
index 46cdd15..08e325e 100644
--- a/quantgov/corpus/structures.py
+++ b/quantgov/corpus/structures.py
@@ -286,6 +286,13 @@ def __init__(self, index, bucket, encoding='utf-8', cache=True):
         super(IndexDriver, self).__init__(
             index_labels=index_labels, encoding=encoding, cache=cache)
 
+    def gen_indices_and_paths(self):
+        with self.index.open(encoding=self.encoding) as inf:
+            reader = csv.reader(inf)
+            next(reader)
+            for row in reader:
+                yield tuple(row[:-1]), row[-1]
+
     def read(self, docinfo):
         idx, path = docinfo
         body = self.client.get_object(Bucket=self.bucket,