Augustine., (1991), Confessions. Trans. Henry Chadwick. Oxford: Oxford University Press.
Augustine., (1975), De dialectica. trans. with introduction and notes by B. Darrell Jackson from the text edited by J. Pinborg, Dordrecht: Reidel.
Augustine., (1995), De doctrina Christiana. Trans. R. P. H. Green. Oxford: Oxford University Press.
Augustine., (1995), The Teacher, In Against the Academicians; The Teacher. Trans, Peter King. Indianapolis, IN: Hackett, 1995.
Augustine., (1963), The Trinity. Trans. Stephen McKenna. Washington, DC: The Catholic University of America Press.
Baker and Hacker., (1980), Wittgenstein: Understanding and Meaning, Oxford: Basil Blackwell.
Bearsely, P., (1983), Augustine and Wittgenstine on Language, Philosophy, 58(224), pp. 229-236.
Burnyeat , M., (1987), Wittgenstein and Augustine De magistro. Proceedings of the Aristotelian Society, Supplementary, Vol. 61, pp.1 – 24.
Cheung, L., (2014), Meaning Use and Ostensive Definition in Wittgenstein's Philosophical Investigation, Philosophical Investigation, 37(4), pp. 350-362.
Erneling, C., (1993), Why First Language Learning Is Not Second Language Learning Wittgenstein's Rejection of St. Augustine's Concept of Learning, Interchange, 24(4), pp. 341-351.
Hanfling, O., (1989), Wittgenstein's Later Philosophy, Albany, NY: State University of New York Press.
Harris, J., (1986), Language, Language Games and Ostensive Definition, Synthese, 69(1), pp. 41-49.
Kenny, A., (1974), The Ghost of the Tractatus, In: Understanding Wittgenstein, Royal Institute of Philosophy Lectures, London: Palgrave Macmillan.
Kirwan, C., (2001), Augustine's Philosophy of Language, in The Cambridge Companion to Augustine, Cambridge: Cambridge.
Lugg, A., (2000), Wittgenstein's Investigations 1-33 a guide and interpretation, London: Routlesge.
McGinn, M., (1997), Routledge Philosophy Guidebook to Wittgenstein and the Philosophical Investigation, London: Routledge.
Wittgenstein, L., (2009), Philosophical Investigations, Oxford: Wiley-Blackwell.
Wittgenstein, L., (2002), The Blue and Brown Books, Oxford: Wiley-Blackwell.