Klots, Alexander B. <br/><br/>
A field guide to the butterflies of North America, east of the Great Plains / 
Illustrated with color paintings of 247 species by Marjorie Statham, and 232 photos. by Florence Longworth. 
 - Boston :  Houghton,  1951. 
 - 349 p. :  ill., maps. 
 - The Peterson field guide series .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>51010190  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Butterflies.
<br/><br/><label>Dewey Class. No.: </label>595.78