Author
Facts on File, Inc
12
De Vries, Louis, 1885-1976
10
Allaby, Michael
9
Daintith, John
9
James, Glenn, 1882-1961
8
Eaton, Amos, 1776-1842
7
Fairbridge, Rhodes W. (Rhodes Whitmore), 1914-2006
7
Hawley, Gessner G. (Gessner Goodrich), 1905-1983
6
Illingworth, Valerie
6
Parker, Sybil P.
6
Patterson, Austin M. (Austin McDowell), 1876-1956
6
Carpovich, Eugene A., 1905-
5
Isaacs, Alan, 1925-
5
King, Robert C.
5
Lapedes, Daniel N.
5
American Council of Learned Societies
4
American Geological Institute
4
Callaham, Ludmilla Ignatiev
4
Hansen, Brad
4
James, Robert C. (Robert Clarke)
4
James, Robert C., 1918-2003
4
McGraw-Hill Book Company
4
Nihon Sūgakkai
4
Ogilvie, Marilyn Bailey
4
Sube, Ralf
4
Watts, Henry, 1815-1884
4
Asimov, Isaac, 1920-1992
3
Ballentyne, D. W. G. (Denis William George)
3
Bates, Robert L. (Robert Latimer), 1912-1994
3
Boxshall, Geoffrey Allan
3
Challinor, John
3
Chapman and Hall
3
Clark, John Owen Edward
3
Clason, W. E., 1898-1990
3
Considine, Douglas M.
3
Dorian, A. F. (Angelo Francis), 1908-1992
3
Downing, Douglas
3
Everitt, Brian
3
Hackh, Ingo W. D. (Ingo Waldemar Dagobert), 1890-1938
3
Hampel, Clifford A.
3
Henderson, I. F. (Isabella Ferguson)
3
Iowa State College
3
Itō, Kiyosi, 1915-2008
3
Jackson, Julia A., 1939-
3
James, A. M. (Arthur M.), 1923-
3
Jerrard, H. G.
3
Kolb, H. (Helga)
3
Lerner, Rita G.
3
Lewis, Richard J., Sr., 1939-2018
3
Lincoln, Roger J.
3
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