Collection
- H. A. DeCosta, Jr. Papers1
- Harby Academy Cashbook1
- Hebrew Benevolent Society Papers1
- Henry Laurens Account Book, 1766-17331
- Henry Mouzon Plat Book, 1769-18191
- Henry William Ravenel's Private Journals1
- Heyward Album1
- Historiarum ab inclinatione Romanorum Imperii1
- Historic Greenville Maps 1
- History of the Charleston Fire Department, 19531
- History of the University of South Carolina School of Medicine – Columbia1
- Holloway Family Collection1
- Home Movies from Moving Image Research Collections 1
- Huger Family Papers, 1795-18971
- Invoice of rice sales for Anthony Clarkson, 1762 Oct. 301
- Is part of: William Lynch Postcard Collection1
- Isaac Hayne Journal: Register, ca. 1764-17811
- Isabella Sarah Porcher Plantation Prescription Book1
- J. F. R. Papers, 1849-18551
- James N. Cochran Papers, 1838-18871