- Greater North Dakota Association1
- Green, J.A.1
- Greenwood, C. (Christopher), 1786-18551
- Greenwood, Charles1
- Gregory, Edmund B. (Edmund Bristol), 1882-19611
- Griffin, W. L. (Geologist)1
- Grindhem, M. J. (Martin Johansen)1
- Gros, C.1
- Gross, A1
- Grover, Alva J1
- Grundy, G. B. (George Beardoe), 1861-19481
- Guillaume Nicholas Delahaye 1725-18021
- Gundersen, J.N.1
- Gyldén, Claes Wilhelm, 1802-18721
- H. Aschehoug & co.1
- H.M Smith Munneeroddeen.1
- H.R. Page & Co1
- Haas, Philip, active 1837-18631
- Hachette (Firm)1
- Hadfield, J. (Joseph)1