References

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Heschel, Abraham J.1965. Who Is Man? Stanford , Calif. : Stanford Univ. Press.

Konner, Melvin. 1982. The Tangled Wing: Biological Constraints on the Human Spirit. New York : Harper Colophon.

Niebuhr, H. Richard. 1963. The Responsible Self: An Essay on Christian Moral Responsibility. New York : Harper and Row. Introduction by James M. Gustafson.

Niebuhr, Reinhold. 194143. The Nature and Destiny of Man. 2 vols. New York : Charles Scribner's Sons.