Mental deficiency :  the changing outlook / 
edited by Ann M. Clarke and A. D. B. Clarke 
 - 3rd ed. 
 - London :  Methuen,  c 1958 
 - xx, 513 p., [1] leaf of plates :  ill., form ;  22 cm. 
 - Methuen's manuals of modern psychology .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> PND 18.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental retardation
<br/><br/><label>Dewey Class. No.: </label>132.2