Norman Malcolm

• Knowledge and Certainty
• Wittgenstein
• Dreaming
• Erinnerungen an Wittgenstein
• Knowledge and Certainty - Essays and Lectures
• Ludwig Wittgenstein
• Ludwig Wittgenstein, A Memoir
• Ludwig Wittgenstein, etc (Oxford Paperbacks. no. 46.)
• Problems of Mind
• Problems of Mind. Descartes to Wittgenstein
• Thomas Wardwell of Andover, Mass