Berkeley Daily Gazette (Calif.), “Lucifer Lux,” Sept. 7, 1915.
Nevada State Journal, “Exposition Directors Discover Make-Believe Gambling was Real McCoy,” April 14, 1923.
Oakland Tribune (Calif.), “’49 Camp Again Causes Trouble,” Sept. 21, 1915.
Reno Evening Gazette (Nev.), “Sam P. Davis in Loquacious Mood,” Nov. 11, 1914.
San Francisco Chronicle (Calif.), “Joy Zone at Panama-Pacific International Exposition,” Jan. 16, 1915.
Sunset Magazine, “Exposition Moths,” Frances A. Groff, vol. 35, pg. 141, July-December 1915.
The Daily Free Press (Kinston, N.C.), “San Francisco’s Lid Closing, is Report,” Oct. 27, 1915.
The Marin Journal (San Rafael, Calif.), “Exposition ‘Zone’ is Place of Infinite Jest,” March 25, 1915.
The News (Red Bluff, Calif.), “Gambling Gets a Fatal Blow From Expo Directors,” Oct. 1, 1915.
The Sacramento Union (Calif.), “Police May Stop Fair Gambling,” Sept. 23, 1915.
The Survey, “The ’49 Camp: Gambling on the Joy Zone,” vol. 35, no. 4, pg. 79, Oct. 23, 1915.