Darby, Gene. <br/><br/>
What is a tree / 
by Gene Darby ; pictures by Lucy and John Hawkinson. 
 - Chicago :  Benefic Press,   1957. 
 - 48 p. :  ill. ;  21 cm. 
 - The What is it series. .
<br/><br/>300   300  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trees.<br/>Readers --Trees.
<br/><br/><label>Dewey Class. No.: </label>582 / D241w