“Captain Franz Von Papen, Former German Military Attache at Washington, Who Was Persona Non Grata to the U.S. on Account of His Unfriendly Activities" (1915)

“Captain Franz von Papen, former German military attache at Washington, who was persona non grata to the U.S. on account of his unfriendly activities. He was recalled December 1915.”

Source: National Archives and Records Administration.