- Andrew Jackson Dadisman (1881-1965), Agricultural Economics Professor, Papers, 1914/19631
- Arthur S. Dayton Correspondence and Catalogs regarding Purchase of Rare Books, 1898/2007, bulk 1923/19591
- Berlin B. Chapman Papers, 1922/19951
- Charles H. Ambler (1876-1957) Papers, 1834/19451
- Charles H. Ambler (1876-1957) Papers, 1859/19571
- Charles H. Ambler (1876-1957) Papers, 1913/19571
- Charles H. Ambler (1876-1957) Papers, 1914/19561
- Charles P. Harper Letters, 19261
- Charles Shetler, Curator and Historian, Papers, 1700/19651
- Coal Company Records Survey, 19331
- Daisy Chapman Dorsey, Business Owner, Essays and Other Papers, 1904/19781
- Dr. J.C. Easton, History Professor, Papers, 1860/1960, bulk 1935/19601
- Edward E. Meredith Papers, 1817/19541
- Francis Harrison Pierpont (1814-1899) Papers, 1811/1949, bulk 1860/18991
- Francis Harrison Pierpont (1814-1899) Papers, 1841/19521