- Adamston Flat Glass Factory, Glass Cutting Tool, 1910/19301
- Agnes Smith (1906-1994), Author, Correspondence and Speech, 19641
- Agnes Smith (1906-1994), Author, Papers, 1959/19661
- Catherine C. Burke, Collector, Business Letterheads, Postcards, and Other Material regarding Clarksburg, WV, 1804/1930, bulk 1910/19301
- Chapin Family Papers, 1816/18921
- Charles Carpenter, Collector, Papers, 1813/19501
- Charles E. Pride, Broker, Incoming Business Letters, 1902/19051
- Civil War Letter from Clarksburg, Confederate Bond, and Jonathan Jackson Agreement, 18211
- Clarksburg (W.Va.) Methodist Episcopal Church, South, Records, 1856/1886, bulk 1856/18721
- Clarksburg Autograph Book, 1883/18911
- Clarksburg Public Library, Collector, Miscellaneous Historical Records, 1913/19221
- Clarksburg Public Library, Collector, Miscellaneous Papers, 1782/18651
- Clarksburg, West Virginia, Public Health Survey, 19401
- Cutright Family Genealogy Collection, 1887/19501
- Davis & Davis Law Firm Records, 1895/19131