Parker, Bertha Morris <br/><br/>
Plant and animal partnerships / 
Bertha Morris Parker ; illustrated by Arnold Wo Ryan 
 - Exeter :  Wheaton,  1962 
 - 36 p. :  ill. (part col.) ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history--Juvenile literature<br/>Botany--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>580