1. The population explosion / Paul R. Ehrlich & Anne H. Ehrlich Author: Ehrlich, Paul R Format: Book Language: English Published: c1990
2. The population explosion / Paul R. Ehrlich & Anne H. Ehrlich Author: Ehrlich, Paul R Format: Book Language: English Published: c1990
3. Population, resources, environment; issues in human ecology / Paul R. Ehrlich, Anne H. Ehrlich Author: Ehrlich, Paul R Format: Book Language: English Published: 1972
4. Population resources environment; issues in human ecology [by] Paul R. Ehrlich [and] Anne H. Ehrlich Author: Ehrlich, Paul R Format: Book Language: English Published: [1970]
5. The stork and the plow : the equity answer to the human dilemma / Paul R. Ehrlich, Anne H. Ehrlich, and Gretchen C. Daily Author: Ehrlich, Paul R Format: Book Language: English Published: c1995
6. New world new mind : moving toward conscious evolution / Robert Ornstein, Paul Ehrlich Author: Ornstein, Robert E. (Robert Evan), 1942- Format: Book Language: English Published: 1989
7. Human ecology : problems and solutions / Paul R. Ehrlich, Anne H. Ehrlich, John P. Holdren Author: Ehrlich, Paul R Format: Book Language: English Published: c1973
8. Man and the ecosphere ; readings from Scientific American / with commentaries by Paul R. Ehrlich, John P. Holdren, Richard W. Holm Format: Book Language: English Published: 1971