- Taking Wittgenstein at His Word: A Textual Study (Princeton Monographs in Philosophy) by Robert J. Fogelin, 2009-11-02
- Culture and Value: Revised Edition by Ludwig Wittgenstein, 1991-01-15
- Wittgenstein after his Nachlass (History of Analytic Philosophy)
- Philosophical Investigations: The German Text, with a Revised English Translation by Ludwig Wittgenstein, G. E. M. Anscombe, 2001-12
- Wittgenstein: Meaning and Mind (An Analytical Commentary on the Philosophical Investigations, Vol. 3, Part 2: Exegesis 243-427) (Pt. II) by P. M. S. Hacker, 1993-10-15
- Philosophische Grammatik by Ludwig Wittgenstein, 1978-01-01
- Ludwig Wittgenstein: His Place in the Development of Semantics (Foundation of Language Supplementary Series) by T. De Mauro, 2010-11-02
- Remarks on the Foundations of Mathematics (Bilingual Edition) (English and German Edition) by Ludwig Wittgenstein, 1967-01
- Wittgenstein's Nachlass: Text and Facsimile Version: The Bergen Electronic Edition CD-ROM for Windows by Ludwig Wittgenstein, 2001-02-01
- The architecture of Ludwig Wittgenstein: A documentation, by Bernhard Leitner, 1973
- The Architecture of Ludwig Wittgenstein: A Second Look by B. Leitner, 1998-01
- Wittgenstein's Lectures, Cambridge, 1930-32 (Midway Reprint) by Ludwig Wittgenstein, 1989-06-15
- Wittgenstein and William James by Russell B. Goodman, 2007-07-30
- Philosophical Grammar by Ludwig Wittgenstein, 2005-06-01
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