SCIENTIFIC METHOD, by A. D. Ritchie
THE ANALYSIS OF MATTER, by Bertrand Russell, F.R.S.
PSYCHOLOGY AND ETHNOLOGY, by W. H. R. Rivers, F.R.S.
INDIVIDUAL PSYCHOLOGY, by Alfred Adler
MATHEMATICS FOR PHILOSOPHERS, by G. H. Hardy, F.R.S.
THE PSYCHOLOGY OF MYTHS, by G. Elliot Smith, F.R.S.
THE PHILOSOPHY OF THE UNCONSCIOUS by E. von Hartmann. Introduction by Prof. G. Elliot Smith
THE THEORY OF MEDICAL DIAGNOSIS, by F. G. Crookshank, M.D., F.R.C.P.
THE ELEMENTS OF PSYCHOTHERAPY, by William Brown, M.D., D.Sc.
EMOTION AND INSANITY, by S. Thalbitzer. Introduction by Prof. H. Höffding