Piaget, Jean,  1896-1980 <br/><br/>
The psychology of the child / 
Jean Piaget and Barbel Inhelder ; translated from the French by Helen Weaver. 
 - London :  Routledge & Kegan Paul,  1969. 
 - ix, 173 p. ;  22 cm. +  pbk. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0710076606 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology
<br/><br/><label>Dewey Class. No.: </label>155.4