1. Freud, S. Sigmund Freud: The Origins of Psychoanalysis (1954). New York: Basic Books; 1895. Project for a scientific psychology.
2. Masson JM, ed. The Complete Letters of Sigmund Freud to Wilhelm Fleiss 1887-1904. 3rd ed. Cambridge, MA: The Belknap Press of Harvard University Press; 1995.
3. Kandel ER. Biology and the future of psychoanalysis: a new intellectual framework for psychiatry revisited. Am J Psychiatry 1999;156(4):505–24.
4. Alexander F. Psychosomatic Medicine: Its Principles and Applications. New York: WW Norton; 1950.
5. Kandel ER. A new intellectual framework for psychiatry. Am J Psychiatry 1998;155(4):457–69.