Beard, Ruth Mary. <br/><br/>
An outline of Piaget's developmental psychology for students and teachers / 
Ruth M. Beard. 
 - New York :  New American Library,  [1972]. 
 - xiv, 158 p. :  ill. 
 - A Mentor Book  MW1172 .
<br/><br/><label>Subjects--Personal Names: </label><br/>Piaget, Jean, 1896-1980. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology.