- 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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