- CollectionMS/MS 01.51 - Leonard F. Parker. Notes for his book, History of Poweshiek County 1906- 1911 1906-1911
- Box5 - Untitled
- File1 - County and state
- File2 - Old Settlers Association, County and state items
- File3 - Madison township
- File4 - Bear Creek Township, Brooklyn
- File5 - Sheridan Township
- File6 - Chester township
- File7 - Jackson township (Montezuma)
- 6 more...