- Ambrose L. Snavely Papers, 1903/19521
- Andrew Jackson Dadisman (1881-1965), Agricultural Economics Professor, Papers, 1914/19631
- Baer Family Papers, 1744/19291
- Barns Family Records, 1884/19901
- Beery School of Horsemanship Publications regarding Horse Training and Other Material, 1883/1976, bulk 1963/19761
- Bernard L. Parsons Papers and Photographs, 1918/19421
- Carleton Custer Pierce (1877-1958) Papers, 1840/19551
- Charles A. and Charles W. Wade Papers, 1880/19401
- George W. Johnson (1837-1902) Papers, 1860/19601
- Gray Silver (1870-1935), Agriculturalist and Banker, Papers, 1903/19351
- Howard M. Gore (1877-1947) Papers, 1908/19471
- Izetta Jewel Brown Miller (b.1883), Clippings and Photographs, 1908/19731
- Jacob H. Gerbrick, Photographer, Records, 1857/19741
- James Oscar Willard Collection, 1918/19651
- James R. Moreland (1879-1955) Papers, 1809/19481