- Human Ecology: Problems and Solutions (A Series of books in biology) by Paul R. Ehrlich,  1973-06
 - Humanity on a Tightrope: Thoughts on Empathy, Family, and Big Changes for a Viable Future by Paul Ehrlich, Robert Ornstein,  2010-11-16
 - Human Natures: Genes, Cultures, and the Human Prospect by Paul R. Ehrlich,  2002-01-15
 - Population Bomb by Paul R. Ehrlich,  2000-01
 - The Population Explosion by Paul R. Ehrlich, Anne H. Ehrlich,  1991-04
 - What Your Doctor May Not Tell You About(TM) Children's Allergies and Asthma: Simple Steps to Help Stop Attacks and Improve Your Child's Health (What Your Doctor May Not Tell You About...) by Paul Ehrlich, Larry Chiaramonte,  2003-11-01
 - The Population Bomb by Paul R. Ehrlich,  1980-03-12
 - Paul Ehrlich's Receptor Immunology:: The Magnificent Obsession by Arthur M. Silverstein,  2001-10-19
 - New World New Mind by Robert E. Ornstein, Paul R. Ehrlich,  1989-07-06
 - Paul Ehrlich: Scientist for Life by Ernest Baumler,  1984-12
 - Paul Ehrlich and Modern Drug Development (Unlocking the Secrets of Science) by Susan Zannos,  2002-08
 - Betrayal of Science and Reason: How Anti-Environmental Rhetoric Threatens Our Future by Paul R. Ehrlich, Anne H. Ehrlich,  1998-01-01
 - Science of Ecology by Paul R. Ehrlich, Jonathan Roughgarden,  1987-01
 - Paul Ehrlich: Forscher fur d. Leben (German Edition) by Ernst Baumler,  1979
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