Jewish self-government in medieval Egypt origins of the office of head of the Jews, ca. 1065-1126 - Cohen, Mark R. 1943- (Princeton, N. J. Princeton University Press, 1980)
Based on the author's thesis, Jewish Theological Seminary of America, 1976.
Keywords: Alexandria, Egypt (Patriarchate, Coptic).; Jews in Egypt -- Politics & government; Nagid; Fatimites; Cairo Genizah; Egypt -- Ethic relations