The dinosaur book : the ruling reptiles and their relatives /
by Edwin H. Colbert ; illustrated by John G. Germann, with additional illustrations, previously published, by Charles R. Knight and others.
- 2nd ed.
- New York : Published for the American Museum of Natural History by McGraw-Hill, c1951.
- 156 p. : ill. ; 28 cm.
Includes bibliographical references (p. 143-144) and index.