- Braxton County (W. Va.) Court Records and Miscellaneous Papers, 1830/19531
- C. Howard Capito Collection of O. W. Link photographic materials, 1955/19581
- Carleton Custer Pierce (1877-1958) Papers, 1840/19551
- Charles Brinkman, Collector, Papers, 1852/19521
- Charles Brinkman, Collector, Papers, 1868/19381
- Charles Carpenter, Collector, Papers, 1813/19501
- Charles Carpenter, Collector, Papers, 1892/19381
- Charles J. MacConnell correspondence, 1873/18771
- Charles James Faulkner (1806-1884) Papers, 1786/18781
- Clarence Edwin Smith (1885-1959) Papers, 1787/19572
- David Goff Papers, 1840/18781
- David Goff Papers, 1841/19041
- David Goff Papers, 1846/18711
- Elk Horn Mining Corporation, Photographs, 19141
- Ernest Glenwood Otey (1895-1966) Papers, 1935/19651