- Monongah Mine Disaster Papers, 1907/19521
- Oscar Doane Lambert, Historian, Papers regarding Historical Research, 1770/19291
- Pauline Morehead Ash, Collector, Papers, 1855/19471
- Philip Bagdon, Research Notes regarding Cass, West Virginia, 1876/19761
- Preston County (W. Va.) Court Records and Miscellaneous Papers, 1775/19181
- Preston County Miscellaneous Papers, 1900/19301
- Price Family Papers, 1813/19451
- Randolph H. Lytton Historical Virginia collection, 1670/20041
- Robert Truax Washington, D.C. transportation collection, 1880/19851
- Roy Bird Cook, Collector, Papers regarding the Civil War in Southern West Virginia, 1844/1938, bulk 1861/18671
- Roy Bird Cook, Collector, Tavenner Family Papers and Other Material, 1778/1953, bulk 1819/18841
- Rush Meadows Papers, 1901/19671
- Sanborn Map Company Fire Insurance Maps for West Virginia, 1884/19341
- Slaughter's Creek Coal & Land Company Records, 1905/19481
- Stiles Family Oil and Mining Company Records, 1837/19511