Hilliard L T <br/><br/>
Mental deficiency / 
by L.T. Hilliard and Brian H. Kirman, with assistance of four contributors.   
 - Boston :  Little, Brown,   1965. 
 - 714 p. :  illus. ;  25 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental retardation
<br/><br/><label>LC Class. No.: </label>WM300