- Geographical Surveys West of the 100th Meridian (U.S.)1
- Geographisches Institut (Weimar, Thuringia, Germany)1
- Great Britain. War Office. General Staff. Geographical Section.1
- Greene, H. G.1
- Grossner, Karl, 1951-1
- Gräf, A. (Adolf), active 1855-18781
- Gunche, Wiebeck y Turtl1
- Hall, Sidney1
- Hall, Sydney1
- Hall, Sydney, fl. 1818-601
- Hall, Wm. Ham. (William Hammond)1
- Harimaya, Kyūbē1
- Harrison, John F.1
- Harrison, Samuel, 1789-18181
- Hatchett, J. (John)1
- Hebert Senr., Mr.1
- Henshall, J.1
- Home Owners Loan Corporation1
- Hopkins Marine Station1
- Humboldt, Alexander von, 1769-18591
