John Wiley & Sons. Retrieved 2010-05-10. ↑ Golb, Norman, Jewish Proselytism —A Phenomenon in the Religious History of Early Medieval Europe page 3, The Tenth Annual Rabbi Louis Feinberg Memorial Lecture, Judaic Studies Program, University of Cincinnati, March 3, 1987, available at https://oi.uchicago.edu/sites/oi.uchicago.edu/files/uploads/shared/docs/jewish_proselytism.pdf (retrieved 2017-10-31). ↑ Poliakov, Leon, The History of Anti-Semitism, Volume 2: from Mohammad to the Marranos page 107, University of Pennsylvania Press: 2003 ↑ Alan D. Corré.