Lectures
Plato and modern morality (New studies in practical philosophy)
The logical status of "God" and the function of theological sentences (New studies in the philosophy of religion)
Knowledge and Necessity
Perception and identity: Essays presented to A. J. Ayer, with his replies to them
Definitions and Definability: Philosophical Perspectives
Space and Time London, Melbourne, Toronto: Macmillan
Problems of the Logic of Scientific Knowledge (Synthese Library, 25)
The Problem of Truth
REASON, RELATIVISM AND GOD.