Wittgenstein: Letters, Lectures, Conversations, Memoirs contains a comprehensive selection of texts both by Wittgenstein and about Wittgenstein, the philosopher and the person, as he appeared to some of his closest colleagues and friends.

Wittgenstein, Ludwig. Wittgenstein’s lectures - Cambridge, 1930-1932: from the notes of John King and Desmond Lee. Edited by Desmond Lee. Oxford: Basil Blackwell, 1980.

_____. Wittgenstein’s Lectures, Cambridge, 1932-1935: from the notes of Alice Ambrose and Margaret Macdonald. Edited by Alice Ambrose. Oxford: Basil Blackwell, 1979.

_____. Lectures & conversations on aesthetics, psychology and religious belief; Ludwig Wittgenstein; Compiled from Notes taken by Yorick Smythies, Rush Rhees and James Taylor. Edited by Cyril Barrett. Oxford: Basil Blackwell, 1966. Newly edited by Cyril Barrett, 2000.

_____. Ludwig Wittgenstein - Cambridge letters: correspondence with Russell, Keynes, Moore, Ramsey, and Sraffa. Edited by Brian McGuinness and G. H. von Wright. 3rd rev. ed. Oxford: Basil Blackwell, 1995.

Wright, Georg Henrik von. Wittgenstein. With letters from Wittgenstein. Oxford: Basil Blackwell, 1982.

Waismann, Friedrich. Wittgenstein and the Vienna Circle, conversations recorded. Edited by Brian McGuinness. Translated by Joachim Schulte and Brian McGuinness. Oxford: Basil Blackwell, 1979.

Wright, G. H. von, ed. A portrait of Wittgenstein as a young man: from the diary of David Hume Pinsent, 1912-1914. Oxford: Basil Blackwell, 1990.

McGuinness, Brian, ed. Wittgenstein and his times; Essays by Anthony Kenny, Brian McGuinness, J.C. Nyiri, Rush Rhees, G. H. von Wright. Oxford: Basil Blackwell, 1982.

Engelmann, Paul. Letters from Ludwig Wittgenstein: with a memoir. Oxford: Basil Blackwell, 1967.

_____. Letters to C. K. Ogden: with comments on the English translation of the Tractatus Logico-Philosophicus. Edited with an introduction by G. H. von Wright and an appendix of letters by Frank Plumpton Ramsey. Oxford: Basil Blackwell, 1973.

Malcolm, Norman. Ludwig Wittgenstein: a memoir. With a biographical sketch by G. H. von Wright; 2nd ed., with Wittgenstein’s letters to Malcolm. Oxford: Oxford University Press, 1984.