1982 - Dinosaurs Mammoths and Cavemen the Art of Charles R Knight (Paperback) ISBN-13: 9780525477099 ISBN-10: 0525477098 Genre: Science & Math ? Dinosaurs Mammoths and Cavemen (Hardcover) ISBN-13: 9780525932420 ISBN-10: 0525932429 Genres: Biographies & Memoirs, Science & Math ? |