1. Appelqvist, Hanne, ed. 2020. Wittgenstein and the Limits of Language. London/New York: Routledge.
2. Bambrough, Renford. 1981. Peirce, Wittgenstein, and Systematic Philosophy. Midwest Studies in Philosophy 6: 263–273.
3. Baum, Wilhelm. 1980. Wittgenstein und William James. In Language, Logic, and Philosophy, ed. Rudolf Haller and W. Grassl, 201–204. Vienna: Hölder-Pichler-Tempsky.
4. Ben-Menahem, Yemina. 1998. Psychologism and Meaning. In The Story of Analytic Philosophy: Plots and Heroes, ed. Anat Biletzki and Anat Matar, 123–138. London/New York: Routledge.
5. Bilgrami, Akeel. 2004. Scepticism and Pragmatism. In McManus 2004, 56–75.