Haan, J. A. Bierens de.  <br/><br/>
Animal Psychology :   J. A. Bierens de Haan. 
its nature and its problems / 
 - London :  Hutchinson's university library,  c 1946 
 - 160 p. :  ill. ;  20 cm. 
<br/><br/> Includes index. 
<br/><br/>313  313 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal intelligence.<br/>Comparative Psychology<br/>History of Psychology
<br/><br/><label>Dewey Class. No.: </label>151.3 / D366a