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- Clayton Roberts Orton Papers, 1938/19551
- Cleaver Family Papers, 1777/19691
- E. L. Mathers and Max Mathers, Compilers, Monongalia County Scrapbook, 1838/19511
- Ellison Family Papers, 1819/19771
- Frederick B. Lambert, Collector and Compiler, Papers, 1819/19591
- George W. Johnson (1837-1902) Papers, 1860/19601
- Harry T. Leeper, Collector, Papers, 1882/19521
- J.Q. Dickinson and Company, Papers and Photographs, 1887/19571
- James Z. McChesney Papers, 1853/19591
- Ohio Valley Floods Papers, 1913/19711
- Philip Bagdon, Research Notes regarding Cass, West Virginia, 1876/19761
- Smith-Riffe Collection, History and Genealogy of Lower New River Valley, 1930/19801
- Union Carbide Corporation, Hawk's Nest Project, Papers, 1873/19661
- United Mine Workers of America, Local Union 6046, Archives, 1933/19741