- Allen Family Papers, 1766/19331
- Brooks F. McCabe, Collector, Papers, 1770/20191
- George Couchman Family Papers, 1765/19351
- Harry T. Leeper, Collector, Papers, 1779/19151
- James William Kuykendall Papers, 1765/19261
- Logan Osborne Family and Business Records, 1761/19821
- Ohio Historical Papers, 1776/18721
- Roy Bird Cook (1886-1961), Collector, Tavenner Family Papers and Other Material, 1772/1955, bulk 1855/18661
- Roy Bird Cook, Collector, Tavenner Family Papers and Other Material, 1778/1953, bulk 1819/18841
- Welton Family Papers, 1770/19281
- Willis Guy Tetrick, Jr. Genealogy Research Papers, 1708/19971
- Wilson-Lewis Family Papers, 1693/19421