1. Aron, Willy (1956). Notes on Sigmund Freud's ancestry and Jewish contacts.YIVO Annual of Jewish Social Science 2: 286?295.
2. Bergmann, Martin S. (1976). Moses and the evolution of Freud's Jewish identity.The Israel Annals of Psychiatry and Related Disciplines 14: 3?26.
3. Birnbaum, Philip (1951).High Holiday Prayer Book. New York: Hebrew Publishing Company.
4. Freud, Ernst L. (1956). Sigmund Freud's family Bible.The National Jewish Monthly May: 6?7.
5. Gay, Peter (1988).Freud: A Life for Our Times, New York: W. W. Norton.