The logical status of "God" and the function of theological sentences (New studies in the philosophy of religion)
Studies in Language and Reason. Macmillan. 1981.
Lectures
Memory (Problems of philosophy)
Plato and modern morality (New studies in practical philosophy)
Philosophy and linguistics (Controversies in philosophy)
REASON, RELATIVISM AND GOD.
The Concept of the Knowledge of God (Library of Philosophy & Religion)
Introduction to the Philosophy of Religion (Modern Introductions to Philosophy)