Burt, William Henry,  1903- <br/><br/>
A field guide to the mammals :  field marks of all North American species found north of Mexico / 
text and maps by William Henry Burt ill. by Richard Philip Grossenheider sponsored by the National Audubon Society and National Wildlife Federation 
 - 3rd ed. 
 - Boston :  Houghton Mifflin,  1976 
 - xxv, 289 p.,  28  leaves of plates. :  ill. ;  19 cm. 
 - The Peterson field guide series ;  5 .
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 271-276 
<br/><br/><label>ISBN: </label>0395240824 0395240840 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mammals--Identification--North America