Institution
- South Carolina Historical Society; Furman University Libraries47
- University of South Carolina. Government Information and Maps Department45
- Greenville County Library System31
- South Carolina Historical Society29
- The Citadel Archives & Museum29
- National Park Service28
- University of South Carolina. South Carolina Political Collections24
- Historic Charleston Foundation23
- Fort Sumter and Fort Moultrie National Historical Park20
- The University of South Carolina Lancaster, Native American Studies Center18
- Bob Campbell Geology Museum17
- Coastal Carolina University17
- Brookgreen Gardens, www.brookgreen.org/16
- Chester County Historical Society Archives12
- Furman University Libraries;11
- The Charleston Archive at CCPL10
- The Charleston Museum Archives10
- Catholic Diocese of Charleston Archives9
- Lake Hartwell Country9
- University of South Carolina. Department of Oral History, University Libraries9