Wittgenstein and His Interpreters: Essays in Memory of Gordon Baker

Wittgenstein on Knowledge and Certainty (Elements in the Philosophy of Ludwig Wittgenstein)

Wittgenstein and Russell: the Vicissitudes of Judgment Proposition (Elements in Philosophy Ludwig Wittgenstein)

Insight and Illusion: Themes in the Philosophy of Wittgenstein, 3rd Edition (Anthem Studies Wittgenstein)

The World I Live in and Optimism: A Collection of Essays (Dover Literature: Essays)