Colbert, Edwin H.  1905- <br/><br/>
The age of reptiles / 
Edwin H. Colbert 
 - New York :  Norton,  1965 
 - 228 p. :  ill., maps ;  25 cm. 
 - The World naturalist .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> USD 4.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reptiles, Fossil
<br/><br/><label>Dewey Class. No.: </label>568.1