Köhler, Wolfgang. <br/><br/>
The mentality of apes / 
Wolfgang Köhler ; translated by Ella Winter. 
 - London :   Routledge & Kegan Paul,  1956. 
 - viii, 336 p. :  ills. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>25  25 
<br/><br/><label>LCCN: </label>526385 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Apes.
<br/><br/><label>Dewey Class. No.: </label>151.3 / K824m