Richard L. Schiefelbusch <br/><br/>
Language of the mentally retarded 

 - London  University Park Press  1972 
 - 252p 
<br/><br/>Richard L. Schiefelbusch: Language of the mentally retarded.  London.  University Park Press, 1972. 0-8391-0629-7--(649.15914SCH)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-8391-0629-7 
<br/><br/><label>Dewey Class. No.: </label>649.15914  / SCH