Beck, Helen Louise, <br/><br/>
Social services to the mentally retarded 
/ by Helen L. Beck. 
 - Ill  Thomas : Springfield  1969. 
 - xvi, 207 pages:   24 cm. 
<br/><br/>Bibliography: p. 188-194. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mentally handicapped