Marais, Eugene Nielen,  1872-1936 <br/><br/>
The soul of the ape / 
Introd. by Robert Ardrey 
 - Harmondsworth :  Penguin Books,  1969 
 - 170 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>0140036210 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chacma baboon--Behavior<br/>Animal intelligence