- Process of Evolution 1ST Edition by Paul R Ehrlich,  1963
 - Jasper Ridge; a Stanford sanctuary. by Barbara, Vona Chiariello, Paul Ehrlich et al, authors, edited by Susan We Bocek,  1990
 - Studies in immunity by Paul Ehrlich, Charles Bolduan,  2010-08-27
 - The End of Affluence by Paul R. Ehrlich,  1995-12
 - Encyklopädie Der Mikrospischen Technik: Mit Besonderer Berücksichtigung Der Färbelehr (German Edition) by Paul Ehrlich,  2010-02-04
 - Earth by Anne H. Ehrlich, Paul R. Ehrlich,  1987-04
 - Diseases of the Blood by Carl Von Noorden, Paul Ehrlich, et all  2010-02-24
 - Betrayal of Science and Reason: How Anti-Environmental Rhetoric Threatens Our Fu by Paul R.; Ehrlich, Anne H. Ehrlich,  1997
 - New World New Mind Changing the Way We by Robert E. Ornstein, Paul R. Ehrlich,  1991-04-25
 - Artists for Nature in Alaska's Copper River Delta by Riki Ott,  1998-09-01
 - The Nuclear Winter: The Cold and the Dark by Paul R. Ehrlich,  1991-09-01
 - Introductory Biology by Paul R. Ehrlich,  1973-04
 - The Golden Door: International Migration, Mexico, and the United States by Paul R. Ehrlich, Loy Bilderback, et all  2008-02-07
 - The Meaning of Jewish Existence: Theological Essays, 1930-1939 (Tauber Institute Series for the Study of European Jewry) by Alexander Altmann,  1991-12-15
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