- Aaron Family Collection, 1908/19271
- Adam Finch Collection, 1891/19331
- Adam T. Finch Papers, 1895/19261
- Albert L. Sturm Papers, 1904/19881
- Alfred C. Payne Collection, 1917/20031
- Ann A. Hertzler Collection, 1863/2013, bulk 1974/20001
- Antoine Gaujot and Julien E. Gaujot Papers, 1840/19991
- Arthur B. Massey Papers, 1902/19611
- Arthur M. Squires Papers, 1888/1987, bulk 1940/19871
- Beattie Family University Memorabilia, 1875/19591
- Benjamin Cottrell Papers, 1910/19831
- Bernard L. Parsons Papers and Photographs, 1918/19421
- Bertram A. Holtzworth Scrapbook, 1918/19261
- Beulah O. Allen Collection, 1905/1992, bulk 1920/19701
- C. Ernest Cooke Papers, 1920/19601