Wittgenstein: A Social Theory of Knowledge (Contemporary Social Theory)
Ethical Naturalism: Hobbes and Hume
Scepticism (New studies in the philosophy of religion)
Personal identity (Problems of philosophy)
Axiological Ethics
Rousseau, an introduction to his political philosophy (Philosophers in perspective)
The justification of religious belief (Philosophy of religion series)
Theory and Practice in the Philosophy of David Hume
Contemporary Moral Philosophy
An Approach to Wittgenstein's Philosophy. Macmillan. 1979.