1. Sinclair, D. B. Tradition and the Biological Revolution, Edinburgh, Edinburgh University Press, 1989
2. Lichtenstein, A., “Does Tradition Recognize an Ethic Independent of Halakha?,” in Fox, M. (ed.), Modern Jewish Ethics, Columbus, Ohio State University Press, 1975
3. Lader, L., Abortion, New York, Howard W. Sams and Company Incorporated, 1966
4. Bleich, J. D. Bioethical Dilemmas: A Jewish Perspective, Hoboken, Ktav Publishing House Incorporated, 1998
5. Commission Report: Appendices D and E – Halakhic Opinions;Public Health,1974