* A. Lichtenstein, "The Seven Laws of Noah", New York: Rabbi Jacob Joseph School Press, 1981
* Lichtenstein, Aharon, "Does Jewish Tradition Recognize an Ethic Independent of the Halakha?" in Marvin Fox, editor, Modern Jewish Ethics, Theory and Practice. Ohio State University Press, 1975, pages 62-88.
* Feinstein, Moses, Responsa Igroth Moshe. New York: published by A. Lichtenstein, 1964, Volume 11 ("Orach Chaim"), Responsurn 25.
