Author
SpringerLink (Online service)
587
William B. Provine Collection on Evolution and Genetics
398
De Gruyter
215
ebrary, Inc
200
Films for the Humanities & Sciences (Firm)
188
Films Media Group
187
University of Pennsylvania
141
ProQuest (Firm)
131
EBSCOhost
115
Biological Sciences Curriculum Study
98
Huxley, Julian, 1887-1975
85
Mayr, Ernst, 1904-2005
81
Public Broadcasting Service (U.S.)
76
Iwanami Shoten
70
Library of Congress Congressional Research Service
68
Berhardt, Leon V
65
Huxley, Thomas Henry, 1825-1895
63
Mark B. Adams Emergence of Modern Science Collection (University of Pennsylvania)
63
United States Congress
62
BBC (Firm)
60
Cerebellum Corporation
59
Spallanzani, Lazzaro, 1729-1799
58
Thomson, J. Arthur (John Arthur), 1861-1933
58
Spencer, Herbert, 1820-1903
57
History of Medicine Collection (David M. Rubenstein Rare Book & Manuscript Library)
55
Rostand, Jean, 1894-1977
55
BioSciences Information Service of Biological Abstracts
52
Darwin, Charles, 1809-1882
51
Taylor & Francis
50
American Institute of Biological Sciences
49
Campbell, Neil A., 1946-2004
49
Driesch, Hans, 1867-1941
47
World Scientific (Firm)
46
BBC Worldwide Learning
45
National Science Foundation (U.S.)
45
PBS (Firm)
44
Off the Fence Productions
43
Royal Society (Great Britain)
43
Green Planet Films
41
Edward Potts Cheyney Memorial Fund
40
Johnson, George B (George Brooks), 1942-
40
National Institutes of Health (U.S.)
40
Starr, Cecie
38
Reece, Jane B
37
United States
37
Yale University
37
Bonnet, Charles, 1720-1793
36
Systematics Association
36
Henderson, I. F (Isabella Ferguson)
35
Altman, Russ
34
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