Ayers, M. 1991 Locke. 2 vols. London: Routledge.
Bennett, J. 1994 “Locke's Philosophy of Mind.” In The Cambridge Companion to Locke. Edited by Chappell, V.. Cambridge: Cambridge University Press, pp. 89–114.
Chappell, V. 1994 “Locke on the Freedom of the Will.” In Locke's Philosophy: Content and Context. Edited by Rogers, G. A. J.. Oxford: Clarendon Press, pp. 101–21.
Locke, J. 1975 An Essay Concerning Human Understanding. Edited by Nidditch, P. H.. Oxford: Clarendon Press.
Locke, J. 1982 The Correspondence of John Locke. Vol. 7. Edited by de Beer, E. S.. Oxford: Clarendon Press.
Lowe, E. J. 1986 “Necessity and the Will in Locke's Theory of Action.” History of Philosophy Quarterly, 3, 2: 149–63.
Rickless, S. C. 2000 “Locke on the Freedom to Will.” The Locke Newsletter, 31: 43–67.
Webster's New Universal Unabridged Dictionary 1992 New York: Barnes & Noble Books.
Yaffe, G. 2000 Liberty Worth the Name: Locke on Free Agency. Princeton, NJ: Princeton University Press.