Robert C. Drewes

Reptiles and Amphibians of East Africa (Princeton Pocket Guides)  Stephen Spawls Kim Howell Robert C. Drewes Paperback. Princeton University Press, 2006-07-03 ISBN 9780691128849     Field Guide to the Reptiles of East Africa: All the Reptiles of Kenya, Tanz  Stephen Spawls James Ashe Harald Hinkel Kim Howell Robert C. Drewes Inbunden. PRINCETON UNIVERSITY PRESS, 2001-10 ISBN 9780126564709     Manual of Tonography  Robert C. Drew Hardcover. Mosby, 1971-07 ISBN 9780801614651