Kirk Samuel A <br/><br/>
Early education of the mentally retarded    an experimental study 

 - Urbana  Univ of Illinois Press      1958 
 - vi,216p.  cm. 
<br/><br/><label>Standard No.: </label>149,491 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T1-63y773, J8