1997 - The Stork and the Plow the Equity Answer to the Human Dilemma (Paperback) ISBN-13: 9780300071245 ISBN-10: 0300071248 Genres: Nonfiction, Science & Math, Engineering & Transportation ? 1983 - Extinction the Causes and Consequences of the Disappearance of Species (Paperback) ISBN-13: 9780345288950 ISBN-10: 0345288955 Genres: Science & Math, Outdoors & Nature 1 1981 - Extinction (Hardcover) → Paperback ISBN-13: 9780394513126 ISBN-10: 0394513126 Genres: Science & Math, Outdoors & Nature ? |