Collection
- Pages from the Past1
- Paul Cross Papers, 1768-18032
- Paul Hamilton Papers1
- Pawleys Island Civic Association1
- Photographic Record of the Cooper River Bridge1
- Places of Worship18
- Political Campaign Memorabilia Collection4
- President Robert C. Edwards Papers6
- Proclamations, Politics, and Commerce: Broadsides from the Colonial Era to the Present at the South Caroliniana Library1
- Robert B. Ariail Collection of Historical Astronomy119
- Robert McNair: In His Own Words1
- Ron Swain Map Collection8
- Roy S. MacElwee Collection1
- Russell Maxey Photograph Collection21
- Samuel Lander Papers2
- Senator Burnet R. Maybank Papers, 1914-19731
- Septima P. Clark Papers, ca. 1910-ca. 19903
- Sheet music from the Joseph M. Bruccoli Great War Collection4
- Skateboarding's Journey to the Olympics Oral History Collection1
- Smith and Wells Papers, 1856-19071