1. Resistances and difficulties in psychotherapy of mental retardates;Abel;J. din. Psychol.,1953
2. The response of severely mentally retarded children to music;Alvin;Amer. J. ment. Defic,1959
3. Group counseling for social adjustment;Appel;Amer. J. ment. Defic.,1957
4. Changes in attitudes of parents of retarded children effected through group counseling;Appell;Amer. J. ment. Defic.,1954
5. Social drama for retarded adolescents;Arnholter;Except. Child.,1955