Baker, G. P., & Hacker, P. M. S. (1983/ 2005). Wittgenstein: Understanding and Meaning: Volume 1 of an Analytical Commentary on the Philosophical Investigations, Part I: Essays. Blackwell Publishing.
De Saussure, F. (1999). Cours de linguistique générale (Vol. 1). Otto Harrassowitz Verlag. Translated by K. Safavi. Tehran, Hermes. [In Persian].
Dummett, M. A. E. (1993). Origins of Analytic Philosophy, Cambridge, Mass: Harvard University Press.
Glock, H. J. (2009). A Wittgenstein dictionary. Translated by H. Kakasoltani. Tehran, Gam-e-No. [In Persian].
Kenny, A (2013). Wittgenstein. Translated by M. R. Esmkhani. Tehran, Ghoghnoos Publications. [In Persian].
Longworth, G. (2010). "A Plea for Understanding" in New Waves in Philosophy of Language. (Ed) Sarah Sawyer. Palgrave MacMillan.
McGinn, M. (2003). The Routledge guidebook to Wittgenstein's Philosophical investigations. Translated by I, Ghanooni. Tehran, Ney Publications. [In Persian].
Nes, A. (2016). On What We Experience, When We Hear People Speak. Phenomenology and Mind. (10). 58-85.
O’Callaghan, C. (2010). Experiencing speech. Philosophical Issues. 20(1). 305-332.
Pettit, D. (2002). Why knowledge is unnecessary for understanding language. Mind. 111(443). 519-550.
Prinz, J. (2006). Beyond appearances: The content of perception and sensation. Gendler, T. S. and Hawthorne, J., editors, Perceptual Experience. Oxford University Press, Oxford.
Searle, J. R. (1980). Minds, brains, and programs. Behavioral and brain sciences. Behavioral and Brain Sciences. 3 (03). 417-424.
Siegel, S. (2006). Which Properties are Represented in Perception?. Perceptual Experience. Ed. T. S. Gendler, J. Hawthorne. Oxford: Oxford University Press.
Smith, B. C. (2009). Speech Sounds and the Direct Meeting of Minds. In Nudds, M., & O'Callaghan, C. (Eds.). Sounds and perception: New philosophical essays. Oxford University Press. 183- 210.
Wittgenstein, L. (1974). Philosophical Grammar: Part I, the Proposition, and Its Sense, Part II, On Logic and Mathematics. Blackwell: Oxford University Press.
Wittgenstein, L. (2002). Philosophical investigations. Translated by F. Fatemi. Tehran, Markaz. [In Persian].
Wittgenstein, L. (2005). Zettel. Translated by M. Hosseini. Tehran, Hermes. [In Persian].
Wittgenstein, L. (2014). The blue book. Translated by M. Hosseini. Tehran, Hermes. [In Persian].
Wittgenstein, L. (2020). Philosophical investigations. Translated by M. Hosseini. Tehran, Hermes. [In Persian].
Wittgenstein, L., Von Wright, G. H., Nyman, H., & Pichler, A. (2004). Culture and Value A Selection from the Posthumous Remains. Translated by O. Mehregan. Tehran, Gam-e-No. [In Persian].