- University of South Carolina. Government Information and Maps Department4,272
- Historic Charleston Foundation4,227
- Spartanburg County Public Libraries4,034
- Waring Historical Library (MUSC)3,910
- University of South Carolina, South Caroliniana Library3,002
- Coastal Carolina University2,549
- Bob Campbell Geology Museum2,027
- University of South Carolina. Music Library1,779
- Middleton Place Foundation1,643
- Beaufort County Library1,381
- Coastal Carolina University, Horry County Archives Center1,338
- Gibbes Museum of Art1,331
- University of South Carolina. McKissick Museum.1,237
- Clemson University Arthropod Collection1,124
- National Park Service Water Resources Division995
- Lander University, Library Services965
- Greenwood County Library System909
- Belle W. Baruch Foundation, www.hobcawbarony.org854
- Patriots Point Naval and Maritime Museum839
- University of Georgia Libraries779