ID:DA16612323
NYZS
Wildlife Conservation Society (New York, N.Y.)
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sponsored by the New York Zoological Society and organized by the Survival Service Commission, IUCN, at the Bronx Zoo, New York 15-17 March, 1971
International Union for Conservation of Nature and Natural Resources 1972 IUCN publications. New Series. supplementary paper, no. 33
v. 2
Available at 1 libraries
conference chairman and consulting editor, Ross F. Nigrelli
New York Academy of Sciences 1960 Annals of the New York Academy of Sciences v. 90, art. 3
by William Beebe
Blue Ribbon Books c1932
by William T. Hornaday ; illustrated by Elwin R. Sanborn
New York Zoological Society 1922 17th ed.-June, 1922
by William T. Hornaday
New York Zoological Society 1907 9th ed