Perspectives in ornithology :  essays presented for the centennial of the American Ornithologists' Union / 
edited by Alan H. Brush and George A. Clark, Jr. ; sponsored by the American Ornithologists' Union. 
 - New York :  Cambridge University Press,  2009. 
 - x, 560 p. :  ill. ;  24 cm. 
<br/><br/> Firts published 1983. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780521113045  RM200.58 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds.<br/>Ornithology.