Dunning, John S., 1905-, <br/><br/>
South American land birds:  a photographic aid to identification/ 
John S. Dunning ; with the collaboration of Robert S. Ridgely ; sponsored by The World Wildlife Fund 
 - Newtown Square, Pa.:  Harrowood Books,  1982 
 - 364 p. :b ill. ;   24 cm. 
<br/><br/>Includes index p. 335 
<br/><br/><label>ISBN: </label>0915180219 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds--South America--Identification