Forrest, Arthur. The Biddle Boys and Mrs. Soffel: The Great Pittsburg Tragedy and Romance. With Full Description of Their Lives and Crimes. Baltimore: I. & M. Ottenheimer, 1902.
Butler County Hospital
Porter, Edwin Stanton. Capture of the Biddle Boys. West Orange, NJ: Edison Studios, 1902.
Harper, Olive. A Desperate Chance: An Exciting Story. New York: J. S. Ogilvie, 1903.