Darby, Gene. <br/><br/>
What is a butterfly / 
Gene Darby ; pictured by Lucy and John Hawkinson. 
 - Chicago :  Benefic press,  c 1958. 
 - 48 p. :  ill. ;  20 cm. 
 - The What is it series. .
<br/><br/>300   300  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers--Butterflies.<br/>Butterflies--Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>595.7 / D242w