Phillips, John L., <br/><br/>
The origins of intellect:  Piaget's theory 
[by] John L. Phillips, Jr. 
 - San Francisco,  W. H. Freeman  [1969] 
 - xviii, 149 p.  illus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intellect.<br/>Child psychology.
<br/><br/><label>LC Class. No.: </label>BF431  / .P47 1969