Murie, Olaus Johan,   frey50        <br/><br/>
A field guide to animal tracks / 
 Animal tracks. 
Olaus J. Murie. 
 - 2d ed. 
 - Boston :  Houghton Mifflin,  [1982], c1974. 
 - xxi, 375 p. :  ill. ;  19 cm. 
 - The Peterson field guide series ;  9 . <br/><br/> Cover title: Animal tracks.  "Sponsored by the National Audubon Society and the National Wildlife Federation." 
<br/><br/>Includes bibliographical references (p. 359-367) and index. 
<br/><br/><label>ISBN: </label>0395183235 (pbk.) 0395199786 
<br/><br/><label>LCCN: </label>74006294 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal tracks--Identification.<br/>Zoology--North America.<br/>Zoology--Central America.