- James William Kuykendall Papers, 1765/19261
- John Smith, Methodist Circuit Rider, Journal, 1786/19631
- John and Robert Thompson Diaries, 1804/18631
- Logan Osborne Family and Business Records, 1761/19821
- Luke Wilcox (1795-1854) Diary, 1795/1879, bulk 1843/18541
- Max Mathers Collection Papers, 1821/19571
- Mrs. Lawrence M. Cox Papers, 1816/19401
- Nicholas Marmion, Physician, Family Papers, 1798/19511
- Ohio Historical Papers, 1776/18721
- Peter Larew Papers, 1790/18921
- Price's Tavern Ledger Books, 1821/18811
- 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
- Snyder Family Papers, 1790/19371
- Stephenson Family Manuscript Journal, 1802/18401