Wallace, George J.  1906- <br/><br/>
An introduction to ornithology / 
by George J. Wallace, Harold D. Mahan. 
 - 3rd ed. 
 - New York :  MacMillan,  1975. 
 - xiv, 546 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0024239801 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ornithology.