- Ann A. Hertzler Collection, 1863/2013, bulk 1974/20001
- Arthur M. Squires Papers, 1888/1987, bulk 1940/19871
- Claudius Lee Papers, 1887/19541
- Dayton M. Kohler Papers, 1889/19711
- Diploma Collection, 1877/19641
- Harvey Lee Price Papers, 1853/19491
- Henry H. Hill Collection, 1893/19631
- Herschel Gustave Anderson Elarth Papers, 1885/19881
- James I. Robertson Jr. Papers, 1849/20111
- John Murray Papers, 1883/19991
- John R. Hutcheson Family Collection, 1890/1969, bulk 1930/19501
- Larry McBryde Collection on the John McLaren McBryde Family, 1859/20131
- Marshall W. Fishwick Collection, 1700/2007, bulk 1923/20071
- Ralph Minthorne Brown Papers, 1872/19471