The following publications contain information about Edward Gustave Mathey:

Article: "Edward Gustave Mathey of Company M" by Jim Schneider • Research Review, Vol. XI, No. 1977-9, September 1977.

Article: "Mathey, Keogh & Comanche" by Jim Schneider • Research Review, Vol. XIII, No. 1979-12, December 1979.

Photograph: "Mathey's Letter to Walter Mason Camp dated April 13, 1910" • Research Review, Vol. XIII, No. 1979-12, December 1979.

Article: "Edward Gustave Mathey, Lieutenant Colonel, United States Army" • Arlington National Cemetery Website: http://www.arlingtoncemetery.net/egmathey.htm, 2008.