- Royal Society (Great Britain). Museum1
- Scholarship, Education and Defense Fund for Racial Equality1
- Scott, Thomas, 1580?-16261
- Sedgewick, S.1
- Shapley, Nicholas (Cartographer)1
- Shea, Jimmie 1
- Shilling, Lizzette1
- Shirley, Lilian, 1888-1964 1
- Silvercraft-Made by Dexter Press, Pearl River, N.Y.1
- Simons, James1
- Sinclair, John, 1754-18351
- Singleton, Matthew1
- Slade, B.1
- Smiley, Alma B.1
- Smith, Emilia1
- Snowden, Mary A.1
- South Carolina Historical Records Survey1
- Sovereign (1694-1702: William III)1
- Stephens, Ward, 1872-1940 1
- Stern, Jack, 1896-19851