1. Weiss, F. A.: Psychoanalysis and Moral Values, Am. J. Psychoan., XII, 39, 1952.
2. Fromm-Reichmann, F.: Principles of Intensive Psychotherapy, University of Chicago Press, Chicago, 1950, 32.
3. Horney, K.: Neurosis and Human Growth, W. W. Norton, New York, 1950, Chap. 14.
4. Alexander, F.: Discussion of Hoch, P.: Aims and Limitations of Psychotherapy, Am. J. of Psychiatry, 112, 5, 326–327, 1955.
5. Kubie, L. S.: in: Moments of Personal Discovery, edited by R. M. MacIver, Harper & Bros., New York, 1954.