Ehrlich, Leonard H. (1975), Karl Jaspers: Philosophy as Faith, Amherst: University of Massachusetts Press.
Jaspers, Karl (1947), The Question of German Guilt, trans. by E.B. Ashton, New York: The Dial Press.
Id. (1950), Perennial Scope of Philisophy, trans. By Ralph Manhein, London: Routledge and Regain Paul.
Id. (1951), Way to Wisdom: An Introduction to Philosophy, trans. by R. Manheim, New Haven: YaleUniversity Press.
Id. (1955), Reason and Existenz, trans. by W. Earle, New York: Noonday Press.
Id. (1958), Myth and Christianity: An Inquiry into the Possibility of Religion without Myth, trans. by N. Gutermann, New York: Noonday Press.
Id. (1959), The Idea of University, trans. By H.A.T. Reiche and H.F. Vandeschmidt, Boston: Beacon Press.
Id. (1962), The Great Philosophers, volume I, trans. R. Manheim, New York: Harcourt, Brace & World.
Id. (1967), Philosophical Faith and Revelation, trans. by E. B. Ashton, London: Collins.
Id. (1969), Philosophy, trans. by E. B. Ashton, Chicago: ChicagoUniversity Press.
Long, Eugene Thomas (1968),
Jaspers and Bultmann: A Dialogue Between Philosophy and Theology in the Existentialist Tradition, Durham:
Duke University Press
Olson, Alan M. (1979), Transcendence and Hermeneutics: An Interpretation of the Philosophy of Karl Jaspers, Dordrecht: Kluwer Academic Publishers
Schrag,Oswald (1971), Existence, Existenz and Transcedence: An Introduction to the Philosophy of Karl Jaspers, Pittsburgh, Pa. : DuquesneUniversity Press.