- CollectionPamphlet 20 - History of Grinnell College and town
- Series20.1 - Poweshiek County and Iowa State History
- Box4 - Untitled
- 6 more...
- Item20.1 pP872 - Poweshiek County map, Advertising cartoon map of county
- File20.1 pP872 - Poweshiek County map 1851-1961. photocopies of map.
- Item20.1 P872m - Poweshiek County map, 1851-1961.
- File20.1 pP875 - Poweshiek County index to register of births, 1880-1887. Prepared by Elizabeth Ernst. 41 p.
- File20.1 pP878 - Poweshiek Couny Skipper Project. Newsletter.
- File20.1 pP887 - Poweshiek County Farmers Mutual Insurance Association. List of lisses -- September 1, 1938 to September 1, 1939.