James J. Wirtz, Roy Godson, Strategic Denial and Deception: The Twenty-First Century Challenge, Transaction Publishers, 2002, ISBN 0-7658-0898-6, Google Print, p.100
Martin Allen, Himmler's Secret War: The Covert Peace Negotiations of Heinrich Himmler, Carroll & Graf Publishers, 2005, ISBN 0-7867-1708-4, Google Print, p.51
John S. Craig, Peculiar Liaisons in War, Espionage, and Terrorism of the Twentieth Century, Algora Publishing, 2005, ISBN 0-87586-331-0, Google Print, p.180
Perry Biddiscombe, Alexander Perry, Werwolf!: The History of the National Socialist Guerrilla Movement, 1944-1946, University of TorontoPress, 1998, ISBN 0-8020-0862-3, Google Print, p.207
jstor.org
Richard Blanke, The American Historical Review, Vol. 97, No. 2. Apr. 1992, pp. 580-582. Review of: Włodzimierz Jastrzębski,Der Bromberger Blutsonntag: Legende und Wirklichkeit. and Andrzej Brożek, Niemcy zagraniczni w polityce kolonizacji pruskich prowincji wschodnich (1886-1918)JSTOR
Nazi Conspiracy And Aggression, Volume VI. Office of United States Chief of Counsel For Prosecution of Axis Criminality. United States Government Printing Office: Washington, 1946, p.188