THE MISUSE OF MIND, by Karin Stephen. Prefatory note by Henri Bergson

CONFLICT AND DREAM, by W. H. R. Rivers, F.R.S.

PSYCHOLOGY AND POLITICS, by W. H. R. Rivers, F.R.S.

TRACTATUS LOGICO-PHILOSOPHICUS, by L. Wittgenstein. Introduction by Bertrand Russell

THE MEASUREMENT OF EMOTION, by W. Whately Smith. Introduction by William Brown

PSYCHOLOGICAL TYPES, by C. G. Jung, M.D., LL.D.

SCIENTIFIC THOUGHT, by C. D. Broad, Litt.D.

THE MEANING OF MEANING, by C. K. Ogden and I. A. Richards

CHARACTER AND THE UNCONSCIOUS, by J. H. van der Hoop

IN PREPARATION