Tilden, James W. <br/><br/>
A field guide to western butterflies 

 - Boston, Mass. :  Houghton Mifflin,  1986 
 - 370 p.  : ilus. 
 - The Peterson field guide series  ;33 .
 - The Peterson field guide series  ;33 .
<br/><br/> 59-210 
<br/><br/><label>LCCN: </label>5818 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mariposas.
<br/><br/><label>Dewey Class. No.: </label>595.789  / T4