Frontier Gambling: The Games, the Gamblers & the Great Gambling Halls of the Old West, G.R. Williamson, G.R. Williamson: 2011.
San Francisco Chronicle (Calif.), “Secrets of Cheating,” April 8, 1894.
Sharps and Flats: A Complete Revelation of the Secrets of Cheating at Games of Chance and Skill, John Nevil Maskelyne, Longmans, Green, & Co.: London and New York, 1894.
The Morning Times (Washington, D.C.), “Cheating Machine of Latest Design,” May 17, 1896.