- Penn School (Saint Helena Island, S.C.)1
- Photographs229
- Pitts, John Douglas 1841-19251
- Pitts, John Douglas, 1841-19258
- Plaques, plaquettes2
- Plyler, John Laney, 1894-19662
- Portraits2
- Rare books2
- Reader-printers (Microphotography)1
- Robert Muldrow Cooper Library2
- Robertson, Ben, 1903-19432
- Rose gardens1
- Saint Hubert, Jean Robert La Montagne4
- Saint Hubert, Martha Van Deriken4
- Sculpture, American2
- Sherman, Joe, 1912-19901
- Sirrine Hall (Clemson, S.C.)1
- Snow5
- South Caroliniana Library8
- Special Collections Library (Clemson University)6