P R Ehrlich

Population Biology.

D Amadon, P R Ehrlich, R W Holm, 1962, Science.

Biodiversity Studies: Science and Policy

P. Ehrlich, P R Ehrlich, E Wilson, 1991, Science.

Double keystone bird in a keystone species complex.

G. Daily, P. Ehrlich, N. Haddad, 1993, Proceedings of the National Academy of Sciences of the United States of America.

Population genetics of euphydryas butterflies. I Genetic variation and the neutrality hypothesis.

P. Ehrlich, R R White, P R Ehrlich, 1975, Genetics.