- Communism.1
- Company towns--South Carolina--Honea Path--Pictorial works1
- Computation laboratories1
- Construction workers1
- Container ships1
- Convenience stores1
- Convict labor1
- Cooper, Robert Muldrow, 1887-19661
- Corn snake1
- Corncribs1
- Courtenay Manufacturing Co. (Newry, S.C.)--Accounting1
- Courts United States1
- Covered bridges1
- Cows--South Carolina--Pictorial works1
- Craig and Gaulden (Firm)1
- Crouch, Sydney James Leonhardt, 1889-19691
- Curtis, Bea--Portraits1
- Daniel House (Clemson, S.C.)1
- Davidson, Chaim Meyer, 1860?-19191
- Davidson, Chasia, 1864-19451