- Cooperative Extension Service, Clemson University1
- Creighton, Robert K.1
- Dalcho, Frederick, 1770-18361
- Daniels, Ron D.1
- Davis, Bishop1
- De Fontaine, F. G. (Felix Gregory), 1832-18961
- Demings, Lowry U.1
- Diemer, Emma Lou1
- Donofrio, Gabriel1
- Dorn, William Jennings Bryan, 1916-20051
- Douglass, Frederick, 1818-1895.1
- Duke, James T.1
- Durufle, Maurice, 1902-19861
- E. C. Jones, Jr. (Photographer)1
- Eden, William, 1745-18141
- Edmunds, R. P.1
- Edwards, Ely C.1
- Ehni, Frederick M.1
- Eldridge, Peter J.1
- Emerson, F. O.1