Livre en anglais.

Frontispice : Portrait de W.J. “Doc” Nixon. Illustrations. 

Pubished by Walter B. Graham Modern Litho, Inc. Omaha, Nebraska U.S.A. 1987.

Livre en langue anglaise. Secret working for handcuffs – ropes – chains – padlocks – straight jackets – boxes – bags – wrist stocks – under water etc. etc.

Published by Abbott's Magic Mfg. Company, Colon, Michigan U.S.A. 1955.