- Smith, Edward B., b.1897.1
- Smith, John Owen, 1902-19781
- Smith, R. C., fl. 1854.1
- Smith, Whitefoord1
- Snornieks, Nara1
- Snowden, Mary A.1
- Sobin, Mark1
- Society for the Preservation of Spirituals1
- Solomons, Alexander1
- Solomons, S.S.1
- Sommer, D. Austen (Daniel Austen), 1878-19521
- South Carolina College Cadet Company Committee1
- South Carolina Economic Opportunity Board1
- South Carolina Gay and Lesbian Pride Movement1
- South Carolina General Assembly1
- South Carolina Library Association. College section.1
- South Carolina Militia, Second Brigade1
- South Carolina Railroad1
- South Carolina Railroad Company1
- South Carolina Senate1