Aristotle. De Anima. London: Penguin, 1987.
Ballou, Robert, ed. The Portable World Bible (excerpts from scriptures of the world's religions). London: Penguin, 1977.
Blum, Deborah. Ghost Hunters: William James and the Search for Scientific Proof of Life After Death. New York: Penguin, 2006.
Becker, Ernest. The Denial of Death. New York: Free Press, 1973.
Camus, Albert. The Myth of Sisyphus. London: Penguin, 2000.
——. The Stranger. New York: Vintage, 1989.
Cicero. De finibus bonorum et malorum. New York: Macmillan, 1924.
Conrad, Mark, and Aeon Skoble, eds. Woody Allen and Philosophy: You Mean My Whole Fallacy Is Wrong? Chicago: Open Court, 2004.
Descartes, René. Discourse on Method. London: Penguin, 2000.
Freud, Sigmund. Beyond the Pleasure Principle. London: Penguin, 2003.
——.“The Future of an Illusion,”in Civilization, Society, and Religions.London: Penguin, 1991.
Heidegger, Martin. Being and Time. San Francisco: Harper, 1962.
Husserl, Edmund. The Essential Husserl. Bloomington: Indiana University Press, 1999.
Immortality Institute. The Scientific Conquest of Death. Buenos Aires: Libros en Red, 2004.
James, William.“The Varieties of Religious Experience”and“Pragmatism,”in William James: Writings, 1902–1910. New York: Library of America, 1988.
——.“The Will to Believe,”in William James: Writings, 1878–1899. New York: Library of America, 1992.
Jung, C. G.“The Soul and Death,”in Herman Feifel, ed., The Meaning of Death. New York: McGraw-Hill, 1959.
Kierkegaard, Søren. The Concept of Anxiety. Princeton, NJ: Princeton University Press, 1981.
——. The Sickness unto Death. London: Penguin, 1989.
Moody, Raymond. Life After Life. San Francisco: HarperOne, 2001.
Nietzsche, Friedrich. The Gay Science. New York: Vintage, 1974.
Plato.“Meno,”in Protagoras and Meno. London: Penguin, 2006.
——.“Phaedo,”in The Last Days of Socrates. London: Penguin, 2006.
——. The Republic. London: Penguin, 2007.
Rank, Otto. Beyond Psychology. Mineola, NY: Dover, 1958.
Ryle, Gilbert. The Concept of Mind. London: Penguin, 2000.
Sartre, Jean-Paul. Being and Nothingness. London: Routledge, 2003.
Schopenhauer, Arthur. The World as Will and Idea. Whitefish, MT: Kessinger, 2007.
Seneca. Epistulae morales, 70th epistle, in Robin Campbell, trans., Letters from a Stoic. New York: Penguin Classics, 1969.
Taylor, Jill Bolte. My Stroke of Insight. New York: Viking, 2008.
Tillich, Paul.“The Eternal Now,”in The Eternal Now. New York: Scribner's, 1963.
Wrathall, Mark. How to Read Heidegger. New York: Norton, 2005.
Zimmer, Heinrich. Philosophies of India. Princeton, NJ: Princeton University Press, 1989.