Journal of the Society for Psychical Research

Vol. 24, London 1927.

Proceedings of the Society for Psychical Research

Vol. 37, London 1927.

Proceedings of the Society for Psychical Research

Vol. 38, London 1928.

Gwendolyn Kelley Hack

Modern Psychic Mysteries at Millesimo Castle

Rider, London 1929.

Journal of the Society for Psychical Research

Vol. 25-26, London 1929.