Jean-Paul Sartre, Martin Heidegger, Martin Buber (2018). “The Philosophical Library Existentialism Collection: Hasidism, Essays in Metaphysics, and The Emotions”, p.109, Open Road Media
Lev Shestov, Franz Rosenzweig, Martin Buber (1969). “Great twentieth century Jewish philosophers: Shestov, Rosenzweig, Buber, with selections from their writings”