ジャック・スレード
L.L. Callaway, Two True Tales of the Wild West
Dan Rottenberg, "The Forgotten Gunfighter,” Civilization magazine, Mar.-Apr. 1996;
Dan Rottenberg, Death of a Gunfighter: The Quest for Jack Slade, the West's Most Elusive Legend. Yardley, PA: Westholme Publishing, 2008.
Roy O’Dell and Kenneth Jessen, An Ear in His Pocket.
History to Go, Here Lies Joseph Slade