1. S. Freud, Beyond the Pleasure Principle, (London: Hogarth Press) Standard Edition,1920 hereafter abbreviated as “S. E.”, 18: 7–64.
2. A. Buss and R. Plomin, A Temperament Theory of Personality (New York: Wiley, 1975). J. Leohlin and R. Nichols, Heredity, Environment, and Personality (Austin: University of Texas, 1976). O. Schwarz, “Childhood Origins of Psychopathology,” American Psychologist 34 (1979): 879–885. B. FLoderus-Myrrhed, B. Pederson, and N. Rasmusson, “Assessment of Heritability for Personality Based on Short-Form of the Eysenck Personality Inventory: A Study of 12, 988 Twin-Pairs,” Behavioral Genetics 10 (1980): 153–162).
3. C. Brenner, Psychoanalytic Technique and Psychic Conflict (New York: International Universities Press, 1976). R. Greenson, The Technique and Practice of Psychoanalysis (New York: International Universities Press, 1967).
4. S. Freud, “On Narcissism” (1914), S.E. 14: 73–102. (London: Hogarth Press)
5. M. Bunge, Causality and Modern Science, 3rd Rev. Ed. (New York: Dover, 1979), p. 304.