1. Agam-Segal, Reshef, and Edmund Dain, eds. 2018. Wittgenstein’s Moral Thought. New York: Routledge.
2. Baker, Gordon. 2004a. Philosophical Investigations §122. Neglected Aspects. In Wittgenstein’s Method. Neglected Aspects, 22–51. Oxford: Blackwell.
3. ———. 2004b. Wittgenstein’s Method and Psychoanalysis. In Wittgenstein’s Method. Neglected Aspects, 205–222. Oxford: Blackwell.
4. Baker, G.P., and P.M.S. Hacker. 2005. Wittgenstein: Understanding and Meaning. Volume 1 of An Analytical Commentary on the Philosophical Investigations. Part I: Essays. 2nd ed., extensively revised by P.M.S. Hacker. Oxford: Blackwell.
5. Baker, G.P., and P.M.S Hacker. 2009a. Wittgenstein: Understanding and Meaning. Volume 1 of An Analytical Commentary on the Philosophical Investigations. Part II: Exegesis §§1–184. 2nd ed., extensively revised by P.M.S. Hacker. Oxford: Wiley-Blackwell.