Harry Leat

Tragic magic: comprising magical sketches, a number of original tricks, forceful articles, and many items of general interest to magicians

Self published, London 1925.

Proceedings of the Society for Psychical Research

Vol. 35, London 1926.

Proceedings of the Society for Psychical Research

Vol. 35, London 1926.

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.

Journal of the Society for Psychical Research

Vol. 25-26, London 1929.

Gwendolyn Kelley Hack

Modern Psychic Mysteries at Millesimo Castle

Rider, London 1929.

Gwendolyn Kelley Hack

The Direct Voice in Italy (1 of 2)

Psychic Science, N. 4, Vol. 7, gennaio 1929, pp. 272-330.

Gwendolyn Kelley Hack

The Direct Voice in Italy (2 of 2)

Psychic Science, N. 1, Vol. 8, aprile 1929, pp. 9-26.