Burt, William H. <br/><br/>
A field guide to the mammals  :  field marks of all North American species found north of Mexico  / 
by William H. Burt and Richard P. Grossenheider 
 - 3rd ed. 
 - London :  Houghton Mifflin ,  1978 
 - xxv , 289 p . :  ill , maps . ;  18 cm . 
 - The Peterson field guide series ;  5 .
<br/><br/><label>ISBN: </label>0395240840 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mammals--North America<br/>Mammals--United States