Schneider, Hans Julius
Wittgenstein's later theory of meaning: imagination and calculation
Markono Print Media Pte Ltd, 2014
 Buku Teks
Hermans, Willem Frederik
Wittgenstein
De Bezige Bij, 1992
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Travis, Charles
The used of sense: Wittgenstein's philosophy of language
Clarendon Press, 1989
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M. Musfi Romdoni
Fenomenalisme sebagai asumsi filosofis dalam tractatus logico- philosophicus dan philosophical investigations = Phenomenalism as a philosophical assumption in the tractatus logico-philosophicus and philosophical investigations / M. Musfi Romdoni
2019
 UI - Makalah dan Kertas Kerja
Cook, John W.
Wittgenstein's metaphysics
Cambridge University Press , 1994
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