1. Freud, S. (1893–1895), Studies on Hysteria, Standard Edition, Hogarth Press, London, Vol. 2, pp. 130–134.
2. Freud, S. (1894), Remarks on the neuropsychosis of defense, Standard Edition, Hogarth Press, London, Vol. 3, pp. 46–49.
3. Freud, S. (1896), The aetiology of hysteria, Standard Edition, Hogarth Press, London, Vol. 3, pp. 283–385.
4. Freud, S. (1905), Fragment of an analysis of a case of hysteria, Standard Edition, Hogarth Press, London, Vol. 3, pp. 7–122.
5. Freud, S. (1909), Notes upon a case of obsessional neurosis, Standard Edition, Hogarth Press, London, Vol. 10, pp. 206, 207.