1. A.M.A. 2nd National Congress on Mental Illness; Council on Mental Health, Proceedings. November 1964.
2. Bellak, L., editor: Community Psychiatry and Community Mental Health. Grune & Stratton. New York. 1964.
3. Proceedings, Third World Congress of Psychiatry;V. Bernard,1961
4. Bertalanffy, von, L.: General system theory and psychiatry. In: American Handbook of Psychiatry, III. Silvano Arieti, editor. Basic Books. New York. 1966.
5. Black, B.: Comprehensive community mental health services: Setting policy, Social Work, 12: 51–58, 1967.