A Social and Religious History of the Jews
Volume IV. Meeting of East and WestSecond Edition, Revised and Enlarged, New York : Columbia University Press, 1957OJM_BIB_GE_223-2A Social and Religious History of the Jews
Volume V. Religious Controls and DissensionsSecond Edition, Revised and Enlarged, New York : Columbia University Press, 1957OJM_BIB_GE_223-3- Das Werk ist nicht zugreifbar
A Social and Religious History of the Jews. Volume 3
High Middle Ages (500 - 1200). Heirs of Rome and PersiaNew York : Columbia University Press, 1957OJM_BIB_KD_023