[PLANNING OF INSTITUTIONS FOR MENTALLY HANDICAPPED IN THE U.S.A].
D004495:Education of Persons with Intellectual Disabilities; D008607:Intellectual Disability; D019989:Persons with Intellectual Disabilities; D014481:United States
EDUCATION OF MENTALLY RETARDED; UNITED STATES
PLANUNG VON ANSTALTEN FUER GEISTIG BEHINDERTE IN DEN USA.