O'Brien, Brian, <br/><br/>
Ivory, apes, and Jimibel /Brian O'Brien ; Illustrated by Grisha Dotzenko. 

 - New York :  Dutton,  (c)1960. 
 - 217 pages :  illustrations ;  21 cm. 
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<br/><br/><label>LCCN: </label>60006009 
<br/><br/><label>LC Class. No.: </label>PZ7  / .I967 1960