Proceedings of the Society for Psychical Research

Vol. 39, London 1930.

Theodore Besterman

Review of Modern Psychic Mysteries book

Journal of the Society for Psychical Research, N. 461, Vol. 26, London enero 1930, pp. 10-14.

Journal of the Society for Psychical Research

Vol. 27, London 1931.

Proceedings of the Society for Psychical Research

Vol. 40, London 1931.

Proceedings of the Society for Psychical Research

Vol. 41, London 1932.

James Maxwell

La divinazione

Giuseppe Laterza, Bari 1932.