- Anscombe, G.E.M. (1968). Intentions. In: Alan White, ed. The Philosophy of Action. Oxford University Press: 144-152.
- Asekhauno, A. A. and Aigbodioh, J.A. “Social responsibility among the Afemai-Etsako of Nigeria”. Lafia Journal of African and Heritage Studies, LJAHS. Department of History and International Studies, Federal University, Lafia, Nasarawa, Nigeria Vol. 1, 2016: pp. 30-40.
- Bewaji, J.A.I. (1983). “African Philosophy: Some Commentary.” The Nigerian Journal of Philosophy, Vol. 3, No. 2, 1983.
- Blackburn, S. (1996). Oxford dictionary of philosophy. Oxford: Oxford University Press.
- Breisach, E. (1962). Introduction to Modern Existentialism, New York: Grove Press.
- Crowell, Steven (2010)."Existentialism". Stanford Encyclopedia of Philosophy (SEP).
- Darwin, Charles, (1875), Insectivorous Plant. London: John Murray Publishers.
- Dubrovsky, D. (1983). The Problem of the Ideal. Moscow: Progress Publishers.
- Graham, G. (1996). Philosophy of mind: An introduction. Cambridge: Blackwell Books Publications Inc.
- Hume, D. (1999). An Enquiry Concerning Human Understanding. Oxford: Oxford University Press: 147-164.
- Irele, A. (1998). Introduction to Political Philosophy, Ibadan: University press: pp. 123-125.
- Kaufmann, Walter (1956). Existentialism: From Dostoevesky to Sartre. New York: Meridian Books Inc.
- Lawhead, William F. (2002). The Voyage of Discovery. Belmont: Wadsworth/Thompson Learning.
- Lowrie, Walter (1969). Kierkegaard's “Attack upon ‘Christendom’,” 1844-1845. USA: PUP
- McQuarrie, John (1972). Existentialism. New York: Westminster of Philadelphia Pub.
- Pritchard, E. A. (1968). Acting, willing, desiring. In: Alan White, (ed.) The philosophy of action. Oxford University Press: 59-69.
- Sartre, Jean-Paul (1947). Existentialism and Humanism. Great Britain: Methuen publishers.
- Singer, P. (1986). Applied Ethics, Oxford: Oxford University Press.
- Singer, P. (1994). Ethics, Oxford: University Press.
- Solomon, Robert C. (1974). Existentialism. New York: McGraw-Hill.
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