Mitchell, John Hanson.  <br/><br/>
A field guide to your own back yard / 
John Hanson Mitchell ; illustrated by Laurel Molk. 
 - 1st ed. 
 - New York :   W. W. Norton,  c 1985. 
 - 288 p. :  ill. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>319  319 
<br/><br/><label>ISBN: </label>0-393-01923-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history.
<br/><br/><label>Dewey Class. No.: </label>574.9 / M694f