1. Alexander, F. (1950). Psychosomatic medicine. New York: Norton.
2. Craig, D.H. (1985). Sir John Harington. Boston: Twayne Pub.
3. Fischer, R.E., & Juni, S. (1981). Anality: A theory of erotism and characterology. American Journal of Psychoanalysis, 41, 57–71.
4. Fischman, Y. L. (1947). Sarei hameah (Captains of the Century). Jerusalem: Mosad Harav Kook, Vol. V.
5. Fleiss, R. (1956). Erogeneity and libido. New York: International Universities Press.