- Das Werk ist nicht zugreifbar
The Emergence of the Jewish Problem. 1878-1939
London ; New York ; Toronto : Oxford University Press, 1946OJM_BIB_KD_188 Major Trends in Jewish Mysticism
Based on the Hilda Strook lectures delivered at the Jewish Institute of Religion, New YorkNew York : Schocken Verlag, 1941OJM_BIB_RL_417Jews and the Rise of Capitalism
Economic Theory and Practice in a Westphalian CommunityNew York : Conference on Jewish Relations, 1943OJM_BIB_WI_006