Handbook of Mental Deficiency  :  Psychological theory and Research /  
edited by Norman R. Ellis 
 - New York:  McGraw-hill,  1963 
 - xii, 722p. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>	 Mental retardation<br/>. Intellectual Disability. 
<br/><br/><label>Dewey Class. No.: </label>157.80202  / ELE 1963