Stuart Cumberland

That other world: personal experiences of mystics and their mysticism

Grant Richards, London 1918.

Will Goldstone

Magic for the forces: effective tricks easily learned

1918.

Angelo Lewis Professor Hoffmann

Latest Magic

Spon & Chamberlain, New York 1918.

David Roth

Roth Memory Course: a simple and scientific method of improving the memory and increasing mental power

1918.

Len. J. Sewell

Terse tricks

1918.

Lida Rose McCabe

Camouflage: War's Handmaid

The Art World, gennaio 1918, pp. 313-318.

Abbott Handerson Thayer

Camouflage

The Scientific Monthly, dicembre 1918, pp. 481-494.

Proceedings of the American Society for Psychical Research

Vol. 13, 1919.

Journal of the Society for Psychical Research

Vol. 19, London 1919.

Louis F. Christianer

New magical conceptions

1919.