- Charles E. Pride, Broker, Incoming Business Letters, 1902/19051
- Clark and Krebs, Civil and Mining Engineers, Miscellaneous Letters and Records, 1912/19141
- Harrison Hagans (1796-1867) Papers, 1810/18951
- Hiram Carpenter, Records of a Pleasants County Businessman, 1914/1980, bulk 1918/19661
- J. Walton Thomas Papers, 1901/19241
- Moses Farnsworth Papers, 1821/18991
- Siler Family Papers, 1848/19681
- Stevens Coal Company Records, 1891/19071
- Ward Engineering Company Archives and Manuscripts, 1871/19771
- West Virginia Centennial Commission Papers, 19561
- William Milo Barnum (1856-1926) Papers, 1882/18991
- Willis Guy Tetrick, Jr. Genealogy Research Papers, 1708/19971