Mann, J. (1920). The Jews in Egypt and in Palestine under the Fāṭimid caliphs: A contribution to their political and communal history based chiefly on genizah material hitherto unpublished. Oxford university press.

Mann, Jacob. The Jews in Egypt and in Palestine Under the Fāṭimid Caliphs: A Contribution to Their Political and Communal History Based Chiefly on Genizah Material Hitherto Unpublished. Oxford university press, 1920.