1998 - The Birds of Sonora (Hardcover) ISBN-13: 9780816516353 ISBN-10: 0816516359 Genres: Science & Math, Engineering & Transportation, Outdoors & Nature ? 1981 - Annotated Checklist of the Birds of Arizona (Paperback) ISBN-13: 9780816507535 ISBN-10: 0816507538 Genres: Science & Math, Outdoors & Nature ? 1980 - The Desert Bighorn Its Life History Ecology and Management (Paperback) ISBN-13: 9780816507139 ISBN-10: 0816507139 Genre: Outdoors & Nature 1 |