The international wildlife encyclopedia / 
editor: Dr. Maurice Bur ton and Robert Burton. 
 - New York :  Marshall Cavendish Corporatio ,  1969. 
 - 20v. :  ill. ;  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals.
<br/><br/><label>Dewey Class. No.: </label>591