Mason, George Frederick <br/><br/>
Animal tools. 

 - New York  Morrow  1951. 
 - 94 p.  illus.  21 cm. 
<br/><br/><label>LCCN: </label>51011615  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>QL49  / .M42 
<br/><br/><label>Dewey Class. No.: </label>590