- Columbia College (Columbia, S.C.)1
- Columbia College (Columbia, S.C.)--Fire--19091
- Columbia Hospital (Columbia, S.C.)1
- Columbia--South Carolina--Pictorial works1
- Commemorative and association items1
- Community development, Urban1
- Confederate Soldiers' Home (Columbia, S.C.)1
- Confirmation records2
- Converse College1
- Copper mines and mining--South Carolina--Donalds1
- Corinth Baptist Church (Colleton County, S.C.)1
- Coronaca Baptist Church (Greenwood County, S.C.)1
- Cotton machinery -- Oklahoma -- Oklahoma City1
- Cotton--South Carolina--Photographs1
- Courthouses--South Carolina--Beaufort1
- Courthouses--South Carolina--Greenville2
- Courtship--Songs and music1
- Crawford, Jane1
- Crawford, Margaret2
- Cross Roads Baptist Church (Newberry County, S.C.)2