Collection
- Carl Julien Collection59
- Carl Sandburg's Collection of Stereographs14
- Carlton Simmons Collection1
- Carolina Textile Mills1
- Catherine and James Yatsco Collection3
- Cemeteries8
- Center for Women's and Gender Studies 20th Anniversary Poster Collection2
- Ceremonies and Celebrations, Kings Mountain National Military Park195
- Certificate of citizenship, 1871 - McCormick, John, fl. 18711
- Charles N. Bayless Photos of Charleston and Georgetown County, S.C.15
- Charleston Branch of the National Association for the Advancement of Colored People Papers, 1920-199514
- Charleston Earthquake 18865
- Charleston Museum Earthquake Photographs9
- Charleston Museum Illustrated Newspapers Collection1
- Charleston Naval Shipyard Photographs1
- Cheraw State Park Bath House2
- Chibbaro Stereograph Collection: 186u-199715
- City Engineers's Plat Book, 1671-195133
- City of Charleston Board of Architectural Review Photographs Collection22
- City of Charleston Collection2