The language and thought of the child / 
Jean Piaget. 
 - London :  Routledge,  1926. 
 - xxii, 294 p. ; 
<br/><br/><label>ISBN: </label>SSCTB49 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology.
<br/><br/><label>Dewey Class. No.: </label>155.4  / La