Dariel Fitzkee

Linking ring manipulation

The American Studios, San Francisco 1930.

Edwin A. French

French's manipulative magic with additions

1930.

Nelson C. Hahne

Here's magic

1930.

Arthur Leroy

Magic From A 2 Z

1930.

D.J. Lonergan

Slate-secrets: a professional treatise

1930.

Henry Rex Hauptmann

How to routine magic

1930.

Harlan Tarbell

Tarbell post-graduate service in magic. Service no. 1.

1930.

Theodore Besterman

Review of Modern Psychic Mysteries book

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