* Abraham Geiger (1810–1874), "Was hat Mohammed aus dem Judenthume aufgenommen?" (1833).
* Rabbi Abraham I. Katsh's "Judaism and the Koran" (1962)
* Judaism: A Quarterly Journal of Jewish Life and Thought, 6/22/1993, Author: Shapiro, Marc B.
* Moshe Perlmann, "The Medieval Polemics Between Islam and Judaism," in S.D. Goitein, ed., Religion in a Religious Age (Cambridge, Mass., 1974), pp. 121-122, 126. and
