Reason and scepticism
London 1970. 224 S.
Prolegomena to an idealist theory of knowledge
London 1924. 240 S.
A post-modern epistemology
Lewiston (N.Y.) 1989. 214 S.
The roots of knowledge
New York 1983. 200 S.
The metaphysics of experience
Oxford 1982. 137 S.
Skepticism and naturalism
London 1987. 98 S.
The significance of philosophical sceptism
Oxford 1984. 277 S.
The principles of understanding
Cambridge (England) 1915. 302 S.
Being and being known
New York 1937. 318 S.
Reasons and knowledge
Ithaca (N.Y.) 1981. 243 S.