Masland, Richard L  <br/><br/>
Mental subnormality :   biological, psychological, and cultural factors / 
by Richard L Masland, Seymour B Sarason and Thomas Gladwin 
 - New York :  Basic Book, Inc,   1958. 
 - 442p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental Retardation
<br/><br/><label>Dewey Class. No.: </label>616.8588  / MAS