About the Author

Samuel P. Hays is Distinguished Service Professor of History Emeritus at the University of Pittsburgh. His other books include Conservation and the Gospel of Efficiency (1959) and Beauty, Health, and Permanence (1989).

Chicago Manual of Style |

Free E-book Of The Month

Hope on Earth

Paul R. Ehrlich

Hope on Earth

A Conversation

Get it for free!

About E-books

Twitter