Hermann Cohen, Religion of Reason Out of the Sources of Judaism, Ungar, New York 1972, especially chapters 13 and 14
Karl Löwith, Introduction, in: Idem, Meaning in History, University of Chicago Press, Chicago and London 1949
Gershom Scholem, Towards an Understanding of the Messianic Idea in Judaism, in: Idem, The Messianic Idea in Judaism and Other Essays on Jewish Spirituality, Schocken, New York 1971