Allport, Gordon W.: "Comment on earlier chapters" in May, R.Existential Psychology.
2.
Barclay, J.R. , and Simms, V.J.: "The concept of sin in university counselling ." Journal of College Student Personnel, October 1964, 33-37.
3.
Barrett, W.: "Phenomenology and existentialism." Introduction to Section 4 in Vol. II of Philosophy in the XXth Century. Barrett, W., and Aiken, H., New YorkRandom House, 1962, 125-171.
4.
Binswanger, Ludwig: "Existential analysis and psychotherapy " in Progress in Psychotherapy, Vol. I, (eds.) Fromm-Reichmann, F., and Moreno, J. L. New York : Grune and Stratton, 1956.
5.
Dreyfus, E.: "Counselling and existentialism." Journal of Counselling Psychology, 1962, 9 (2), 128-132.
6.
Dreyfus, E.: "The Counselor and existentialism." Personnel and Guidance Journal, Vol. XLIII No. 2, October 1964, 114-117.
7.
Feifel, Herman: "Death-relevant variables in psychology" in Existential Psychology, (ed.) May, R.New York: Random House, 1961.
8.
Maslow, A.H.: "Existential psychology—what's in it for us?" in May, R.Existential Psychology. New York : Random House, N.Y. , 1961.
9.
May, R., Angel, E., and Ellenberger, H.: Existence: A New Dimension in Psychiatry and Psychology. New York : Basic Books, 1958.
10.
May, R. (ed.) : Existential Psychology. New York : Random House , 1961.
11.
May, R.: "Existential bases of psychotherapy" in May, R. (ed.). Existential Psychology. New York: Random House, 1961.
12.
May, R.: "Emergence of existential psychology" in Exigtential Psychology, (ed.) May, R.New York: Random House, 1961.
13.
May, R. and van Kaam, Adrian : "Existential theory and therapy" in Current Psychiatric Therapies, Vol. III. New York : Grune and Stratton, 1963 .
14.
Opler, M.K.: "Discussion-scientific social psychiatry encounters existentialism '' Philosophy and Phenomenological Research, Vol. XXIV, No. 2, December 1963.
15.
Opler, M.K.: "Book review" of Being in the World: Selected Papers of Ludwig Rinswanger by J. Needleman .American Anthropologist, Vol. 66, No. 4, Part 1, August 1964.
16.
Rees, Goronwy : "A visa of Kafka" in Encounter , Vol. 23, No. 3, September 1964, 27.
17.
Rogers, C.: Client-Centred Therapy. Boston : Houghton Mifflin Co., 1951.
18.
Rogers, C.: On Becoming a Person. Boston, Houghton Mifflin Co., 1961.
19.
Rogers, C.: "Two divergent trends" in May, R., Existential Psychology. N.Y.: Random House, 1961.
20.
Van Den Berg, J.H.: The Phenomenological Approach to Psychiatry. Springfield, Ill.: C. C. Thomas, 1955.
21.
Van Kaam, A. : "Phenomenological analysis: exemplified by a study of the experience of 'really feeling understood'." Journal of Individual Psychology, XV, I (1959), 66-72.
22.
Van Kaam, A.: The Third Force in European Psychology—Its Expression in a Theory of Psychotherapy. Psychosynthesis Research Foundation, "Valmy", P.O. Box 3895, Greenwich, Delaware, 1960.
23.
Van Kaam, A. : "Counselling from the viewpoint of existential psychology." Harvard Educational Review, Vol. 32, No. 4. Fall, 1962 .
24.
Van Kaam, A. : "Sex and existence." Review of Existential Psychology and Psychiatry, Vol. III, No. 2, 1963.
25.
Van Kaam, A. : "Assumptions in psychology." Journal of Indibvidual Psychology, Vol. 14, No. 1, May 1964.