- C. F. Weldon poetry notebook, 19212
- C. Howard Capito Collection of O. W. Link photographic materials, 1955/19582
- C. R. Sutphen Letter, 19072
- Cabinet Cards of Robert E. Lee, Thomas "Stonewall" Jackson, and other Confederate States of America generals2
- Cabinet Photograph of Bessie Gardner, 18872
- Cabinet Photograph of Lexington, Virginia, 1880/18952
- Cabinet Photograph of Unknown Mountain and Valley Scene, 1880/19202
- Cabinet card photograph of an unidentified girl with doll, 1895/19052
- Cabinet photograph of Jubal Anderson Early, 1867/18702
- Cabinet photograph of Mamie Echols, 18932
- Cabinet photograph of McConnellsburg, Pennsylvania, 1900/19102
- Cabinet photograph of dog, 1890/19002
- Callaghan House Register, 1866/18692
- Camp Okahahwis collection, 1925/2009150
- Campbell Family Papers, 1843/195015