- Geological Survey (U.S.)1
- Glass, James G. (James Gamewell), 1860-19391
- Going family1
- Gordon, Spiver W. (Technical Assistance Specialist, Greene County Commission)1
- Gourdin, Peter, 1813-18931
- Grace, John T.1
- Graham, A.K.1
- Green, Alan 1
- Greene, Ellin, 1927-20181
- Grigsby, Samuel Mays1
- Guyot, A. (Arnold), 1807-1884. (Geographer)1
- Hacker, Debi1
- Haigler, W.H.1
- Hammond, James Henry1
- Harper & Brothers (publisher)1
- Haskins, James, 1941-20051
- Hasselbalch, Varvara1
- Hempel, Ruth1
- Hemphill, James C.1
- Hill, S. Fauilleteau1