1. Bercs, D.Structure and function in psycho-analysis. Int. J. Psycho-Anal., 46:53–63, 1965.
2.
2. Brierley, M.Trends in Psycho-Analysis.London: Hogarth Press, 1951.
3.
3. Freud, A.The mutual influences in the development of ego and id. The Psychoanalytic Study of the Child, 7:42–50. New York: International Universities Press, 1952.
4.
4. Freud, S.The interpretation of dreams (1900). Standard Edition, 4 & 5. London: Hogarth Press, 1953.
5.
5. Freud, S.The antithetical meaning of primal words (1910). Standard Edition, 11:153–161. London: Hogarth Press, 1957.
11. Hartmann, H.Comments on the psychoanalytic theory of the ego. The Psychoanalytic Study of the Child, 5:74–96. New York: International Universities Press, 1950.
12.
12. Hartmann, H.The mutual influences in the development of ego and id. The Psychoanalytic Study of the Child, 7:9–30. New York: International Universities Press. 1952.
13.
13. Holler, W.The mutual influences in the development of ego and id. The Psychoanalytic Study of the Child, 7:31–41. New York: International Universities Press. 1952.
14.
14. Home, H. J.The concept of mind. Int. J. Psycho-Anal., 47:43–49, 1966.
16. Marcovitz, E.Panel report: The concept of the id. This Journal, 11:151–160. 1963.
17.
17. Morgan, C. T.Physiological mechanisms of motivation. In: Nebraska Symposium on Motivation, ed. M. R. Jones. Lincoln: University of Nebraska Press. 1957, pp. 1–35.
18.
18. Piaget, J.Judgement and Reasoning in the Child.London: Routledge & Kegan Paul, 1928.
19.
19. Rapaport, D.A historical survey of psychoanalytic ego psychology: Introduction to Identity and the Life Cycle [Psychological Issues, Monogr. 1] by E. H. Erikson. New York: International Universities Press, 1959, pp. 5–17.
20.
20. Russell, B.An Outline of Philosophy.London: Allen & Unwin, 1927.
21.
21. Sandler, J. & Joffe, W. G. The principle of persistence in psychological function and development, with special reference to fixation and regression (1965)
22.
22. Saussure, F.de Cours de Linguistique Générate. Paris: Payot, 1915.
23.
23. Schur, M.The Id and the Regulatory Principles of Mental Functioning.New York: International Universities Press, 1966.
24.
24. Shorter Oxford English Dictionary, 3rd ed. (1955)
25.
25. Waelder, R.The principle of multiple function (1930). Psychoanal. Quart., 5:45–62, 1936.