- Clay, Martha Cook1
- Clinkscales, Harold C., 1917-19991
- Clothing1
- Clothing and dress1
- Coble, Robert D.1
- Cocker spaniels1
- Cohaty, C. B.1
- Coker, William Pearle, 1873-19411
- Coleman, William Augustus, 1880-19381
- College athletes1
- College buildings1
- College buildings--South Carolina1
- College campuses1
- Columbia College (Columbia, S.C.)1
- Conard, Mac1
- Conductors (Music)1
- Conference of Chief Judges of the United States Courts of Appeals1
- Construction + architects1
- Coons, W.1
- Cooper, Edwin H.1