Ley, Willy. <br/><br/>
Dawn of zoology / 
Willy Ley. 
 - Englewood Cliffs, N.J., :  Prentice-Hall,  1968. 
 - 280 p. :  illus., ports. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology--History.
<br/><br/><label>LC Class. No.: </label>QL15