Journal of the American Society for Psychical Research

Vol. 14, 1920.

Proceedings of the American Society for Psychical Research

Vol. 14, 1920.

Proceedings of the Society for Psychical Research

Vol. 31, London 1920.

Carlton

Twenty years of spoof and bluff

Herbert Jenkins ltd., London 1920.

Hereward Carrington

The physical phenomena of spiritualism, fraudulent and genuine

1920.

Alsdorf Donald Holmes

The Magic Art

Self published, 1920.

Bert Douglas

Masonic magical creations

Self published, Toronto 1920.

Alfred C. Gilbert

Knots and Splices with Rope-Tying Tricks

1920.

Harry Houdini

Miracle Mongers and Their Methods

E.P. Dutton & co., New York 1920.

Guy Lockwood

Mastership or mediumship. Which?

Self published, Kalamazoo 1920.