1. Baker, G. P. (1991). Philosophical investigations §122: Neglected aspects. In R. L. Arrington & H. J. Glock (Eds.), Wittgenstein’s ‘Philosophical Investigations’: Text and Context. London: Routledge. Reprinted in G. P. Baker (2004). K. Morris (Eds.), Wittgenstein’s method: Neglected aspects, (pp. 22–51). Oxford: Blackwell.
2. Baker, G. P. (2001). Wittgenstein: Concepts or conceptions? Harvard Review of Philosophy, 9. Reprinted in G. P. Baker (2004). K. Morris (Eds.), Wittgenstein’s method: Neglected aspects (pp. 260–278). Oxford: Blackwell.
3. Baker, G. P., & Hacker, P. M. S. (2009). Wittgenstein: Understanding and meaning, part 1: Essays (2nd ed.). Oxford: Wiley-Blackwell.
4. Chihara, C. (1977). Wittgenstein’s analysis of paradoxes in his lectures on the foundations of mathematics. The Philosophical Review, 72(3), 365–381.
5. Conant, J. (1997). On Wittgenstein’s philosophy of mathematics. Proceedings of the Aristotelian Society, 97, 195–222.