Encyclopedia of birds 
edited by Christopher M. Perrins and Alex. L.A. Middleton. 
 - New York, N.Y.  Facts on File  1985. 
 - xxxi, 445 p.  ill. (some col.)  29 cm. 
<br/><br/> "A Equinox book"--T.p. verso.  Includes index. 
<br/><br/>Bibliography: p. [xvi]-xvii. 
<br/><br/><label>ISBN: </label>0816011508 
<br/><br/><label>LCCN: </label>84026024  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds
<br/><br/><label>LC Class. No.: </label>QL673  / .E53 1985 
<br/><br/><label>Dewey Class. No.: </label>598