Hegner, Robert. <br/><br/>
Parade of the animal kingdom /   
by Robert Hegner, assisted by Jane Z. Hegner. 
 - New York :   Macmillan,   1940. 
 - vi, 675 p. :   fot. ;   27 cm. 
<br/><br/> "With over seven hundred illustrations". 
<br/><br/><label>Subjects--Index Terms: </label>Animales