Authors: Ge
- Hutchison, G. Andrew 1841-1913
- Huysmans, J.-K. (Joris-Karl) 1848-1907
- Hylton, William George Hylton Jolliffe, Sir, 1st Baron 1800-1876
- Iles, George 1852-1942
- Illinois State Geological Survey -
- Irving, Washington 1783-1859
- Ivens, W. G. (Walter George) 1871-
- Ives, George Burnham 1856-1930
- Jack, George -
- Jackson, George 1864-1945
- Jackson, George Pullen 1874-1953
- Jacobs, Aletta H. (Aletta Henriette) 1854-1929
- Jacomb Hood, G. P. (George Percy) 1857-1929
- Jacson, Mainwaring George 1859-1915
- James, George Wharton 1858-1923
- James, G. P. R. (George Payne Rainsford) -1860
- Janes, Lewis G. (Lewis George) 1844-1901
- Jean-Aubry, G. (Georges) 1882-1950
- Jeanniot, Pierre-Georges 1848-1934
- Jekyll, Gertrude 1843-1932
- Jellinek, Georg 1851-1911
- Jenkins, Herbert George 1876-1923
- Jeshurun, George -
- Jessop, George Henry -1915
- Jewel, Adele M. 1834-1921
Sort By: