1. Kelman, H.: The Use of the Analytic Couch, Am. J. Psychoan.: XIII, 1953, 38.
2. Martin, A. R.: Nostalgia, Am. J. Psychoan., XIV, 1954, 93.
3. Angyal, A.: Foundations for a Science of Personality, The Commonwealth Fund, New York, 1941, Chapt. VIII.
4. Whyte, L. L.: The Next Development in Man, A Mentor Book, New American Library, 1950, 17–18.
5. cf. 49 above, Whyte, L. L.: The Next Development in Man, A Mentor Book, New American Library, 1950, 254.