Secret writing for the amateur detective

1930.

Proceedings of the Society for Psychical Research

Vol. 39, London 1930.

Henry Ridgely Evans

The History of Conjuring and Magic

William W. Durbin, Kenton 1930.

Arthur Felsman

Thirty-seven effective after dinner tricks and how to perform them

Self published, Chicago 1930.

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.