Werner, Heinz.  <br/><br/>
Comparative psychology of mental development /  Heinz Werner. 

 - New York :  Science,  c 1948. 
 - xii, 564 p. :  ill. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography : p. 507-555. 
<br/><br/>319  319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developmental psychology.
<br/><br/><label>Dewey Class. No.: </label>163.5 / W495c