Collection
- Harvey Gantt and the Integration of Clemson University1,914
- Hasell Family Papers, 1803 - 18844
- Hearing Horry History7
- Hebrew Benevolent Society Papers1
- Helen Evangeline Banks Harrison papers (circa 1850 - 1985)21
- Hemrick Nathan Salley Family Sheet Music64
- Henrietta Yurchenco Field Recordings, 1970-197129
- Henry Laurens Account Book, 1766-17331
- Henry Laurens papers, 1747-1860241
- Henry Mouzon Plat Book, 1769-18191
- Henry Orion Nichols Collection1,613
- Henry Orion Nichols Collection 145
- Henry William Ravenel Papers, 1739-1935242
- Henry William Ravenel's Private Journals1
- Henry William Ravenel, Plants and Planter616
- Henry William Ravenel: Plants & Planter5
- Herald-Journal Willis Collection448
- Heyward Album1
- Historic Charleston Foundation Oral History Project30
- Historic Maps10