- Camilla Urso Collection2
- Camp Sevier6
- Charleston Branch of the National Association for the Advancement of Colored People Papers, 1920-19952,421
- Charleston City Records Collection1
- Charleston Year Book, 19375
- Charleston Year Book, 19384
- Charleston Year Book, 19402
- Charleston Year Book, 19411
- City Year Books for Charleston, South Carolina, 1880-195143
- City of Charleston Collection2
- Civic Services Committee Papers5
- Clemson Commencement Program1
- Clemson University Board of Trustees Minutes and Reports622
- Clemson University Department of Languages Newsletter41
- Clemson University Faculty Manuals38
- Clemson University Historical Images2
- Cleveland L. Sellers, Jr. Papers, 1934 - 2003715
- Cohen, Emanuel, Moses, Seixas Family Papers4
- Colleton County Memorial Library Bookmobile History2
- Cooperative Annual Reports292