Ley, Willy,  1906-1969 <br/><br/>
Dawn of zoology / 
Willy Ley 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1968 
 - viii, 280 p. :  ill., ports. ;  25 cm. 
<br/><br/>Bibliographical references included in'Notes' (p. 255-276) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology--History