- Constitutional history North Carolina1
- Constitutional history South Carolina1
- Construction sites1
- Construction workers1
- Container ships1
- Convenience stores1
- Convict labor1
- Cooper, Robert Muldrow, 1887-19661
- Corinth, Battle of, Corinth, Miss., 1862--Maps1
- Corncribs1
- Courtenay Manufacturing Co. (Newry, S.C.)--Accounting1
- Covered bridges1
- Cows--South Carolina--Pictorial works1
- Craig and Gaulden (Firm)1
- Crawford, William Harris, 1772-18341
- Creek Indians--Georgia--Maps1
- Crouch, Sydney James Leonhardt, 1889-19691
- Daniel House (Clemson, S.C.)1
- Darlington County (S.C)--Genealogy--Maps1
- Davidson family1