Marais, Eugene Nielen, 1872-1936.  Marais, Eugene Nielen, 1872-1936. <br/><br/>
The soul of the ape / 
with an introd. by Robert Ardrey. 
 - [Harmondsworth] :  Penguin,  [1973] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chacma baboon -- Behavior.--Chacma baboon -- Behavior.<br/>Animal intelligence.