- C.R. Rector, Compiler, Papers1
- Cleaver Family Papers, 1777/19691
- Fleming Family Papers, 1810/19431
- General John Pope letter to General G. B. McClellan, 18621
- Hiram Carpenter, Records of a Pleasants County Businessman, 1914/1980, bulk 1918/19661
- J.P. Carney, Civil War Era Diary, 18641
- John Montgomery Diary, 18601
- Joseph McKay Papers, 1897/19051
- Lyman Stedman, Farmer and Politician, Diary, 1880/18851
- Maria Schwald, Diary Regarding Cruise Along the Ohio River, 1935/19521
- McNeill Family Papers, 1770/19291
- Monongalia County, Land Grant to John O. Finn from Governor Patrick Henry, 1797/18031
- Ohio River Sheet Music and Other Material, 1845/19861
- Ohio River Shipping Accounts, 1883/18841
- Ohio Valley Floods Papers, 1913/19711