Abbreviations
| Amir: Rosenzweig | Yehoyada Amir, Da’at Ma’aminah (Reason out of Faith: The Philosophy of Franz Rosenzweig). |
| Essence | Leo Baeck, The Essence of Judaism. |
| FRHLT | Nahum Glatzer, Franz Rosenzweig: His Life and Thought. |
| Friedman: Buber | Maurice Friedman, Martin Buber’s Life and Work. |
| GS | Gesammelte Schriften (Collected Works). |
| JPCM | Leo Strauss, Jewish Philosophy and the Crisis of Modernity, ed. Kenneth H. Green. |
| LSEW | Leo Strauss, Leo Strauss: The Early Writings, ed. Michael Zank (Albany: State University of New York Press, 2002). |
| Meyer: Baeck | Michael A. Meyer, Rabbi Leo Baeck:, Living a Religious Imperative in Troubled Times. |
| MGWJ | Monatsschrift für Geschichte und Wissenschaft des Judentums. |
| OJ | Martin Buber, On Judaism. |
| P&L | Leo Strauss, Philosophy and Law. |
| PAAJR | Proceedings of the American Academy for Jewish Research. |
| PAW | Leo Strauss, Persecution and the Art of Writing. |
| PJ | Julius Guttmann, Philosophies of Judaism. |
| PmJ | Jacob Klatzkin, Probleme des modernen Judentums (Problems of Modern Judaism). |
| Response | Julius Guttmann, “Philosophy of Religion or Philosophy of Law? A Response to Leo Strauss.” |
| RuW | Julius Guttmann, Religion und Wissenschaft im mittelalterlichen und im modernen Denken (Religion and Science in Medieval and Modern Thought; Berlin: Philo Verlag, 1922). |
| SCR | Leo Strauss, Spinoza’s Critique of Religion. |
| Star | Franz Rosenzweig, The Star of Redemption. |