- ColeçãoPamphlet 20 - History of Grinnell College and town
- Série20.1 - Poweshiek County and Iowa State History
- 4 - Sem título
- Documento20.1 pP87n - Poweshiek County Normal Institute. Poweshiek County Teachers' Institute. Catalog and Proceedings.
- Documento20.1 pP87p - Photos of rural Poweshiek County
- Item20.1 P87s - Poweshiek County Superintendent of Common Schools. Book of teachers' certificates, with lists of people to whom certificates have been issued.
- Documento20.1 pP87sn - Poweshiek Historical and Genealogical Society Newsletter, Searcher.
- Documento20.1 pP87sr - Poweshiek County Superintendent of Common Schools. Reports.
- Documento20.1 pP871 - Poweshiek County soil conservation district report. Malcom, Iowa. 46 p.
- Item20.1 pP872 - Poweshiek County map, Advertising cartoon map of county
- Documento20.1 pP872 - Poweshiek County map 1851-1961. photocopies of map.
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