Conference on the mentally retarded and society :  A social science perspective held in niles, michigan, 1974 / 
 The mentally retarded and society. 
Ed. by m. j. begab and s. a. richardson. 
 - 492 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Personas con discapacidad mental--Estados Unidos--Congresos
<br/><br/><label>LC Class. No.: </label>HV3006.A3  / C651974