- CollectionMS/MS 01.51 - Leonard F. Parker. Notes for his book, History of Poweshiek County 1906- 1911 1906-1911
- 5 - Sans titre
- Dossier1 - County and state
- Dossier2 - Old Settlers Association, County and state items
- Dossier3 - Madison township
- Dossier4 - Bear Creek Township, Brooklyn
- Dossier5 - Sheridan Township
- Dossier6 - Chester township
- 7 en plus...