COLBERT, Edwin H. <br/><br/>
EVOLUTION OF THE VERTEBRATES : A HISTORY OF THE BACKBONED ANIMALS THROUGH TIME 

 - 2nd Ed. 
 - Kottayam  Vidyarthimithram Book Depot, Kottayam   1969 
<br/><br/><label>ISBN: </label>0 85226 125 X 
<br/><br/><label>Dewey Class. No.: </label>596  / COL/E