- Greenwood County Library, Area Servicemen69
- Greenwood County Library, Historical Photographs129
- Greenwood Mills Photograph Collection919
- Greer83
- Greer Textiles53
- Gregg-Graniteville Photographic Archive136
- Grimke family papers, 1678-1977216
- Gussie Johnson Papers, 1940-2000280
- H. A. DeCosta, Jr. Papers1
- HCAC Research9
- Halley's Comet Project, 1985-198688
- Hampstead and Bethany Cemeteries58
- Harbison Agricultural College Photograph Collection113
- Harby Academy Cashbook1
- Harby, Moise, Levy, Moses, Davis Family Photographs55
- Harry Blas and Erika Stockfleth Blas Papers, circa 1910-circa 198025
- Harry and William Birch Collection1,098
- Harvey Gantt and the Integration of Clemson University1,931
- Hasell Family Papers, 1803 - 18844
- Hearing Horry History7