- Adam Finch Collection, 1891/19331
- Adam T. Finch Papers, 1895/19261
- Ann A. Hertzler Collection, 1863/2013, bulk 1974/20001
- Arthur M. Squires Papers, 1888/1987, bulk 1940/19871
- Charles E. Vawter Family Collection, 1882/19131
- Claudius Lee Papers, 1887/19541
- Dayton M. Kohler Papers, 1889/19711
- Diploma Collection, 1877/19641
- Earl A. Thornton Papers, 1885/20001
- Ellison A. Smyth, Jr. Papers, 1859/19271
- Harvey Lee Price Papers, 1853/19491
- Henry Brooke Letter and Flyer, 1893/19091
- Henry H. Hill Collection, 1893/19631
- Herschel Gustave Anderson Elarth Papers, 1885/19881
- Horatio Seymour Stahl Papers, 1881/19371