Gill, Frank B. <br/><br/>
Ornithology / 
Frank B. Gill. 
 - 2d ed., Ninth printing, 2003. 
 - New York :  Freeman and Company,  2003, c 1990. 
 - xxvii, 766 p. :  ill. ;  26 cm. 
<br/><br/>Bibliography: p. 693-735. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>0716724154  Normal 
<br/><br/><label>Dewey Class. No.: </label>598