Federal Bureau of Investigation. n.d. "Directors, Then and Now." FBI. Accessed 10 19, 2016.


—. 2012. "The Hoover Legacy, 40 Years After." FBI. Accessed 10 19, 2016.


Christer Jorgensen. "Hitler's Espionage Machine". Guilford, Ct. Lyons Press. 2004

Francis Russell. "The Secret War". Time Life Books. 1981


Federal Bureau of Investigation. n.d."Nazi Saboteurs and George Dasch". FBI. Accessed 10 20, 2016.


Kate Brown. "Plutopia". Oxford University Press. 2013


United States Holocaust Memorial Museum. German American Bund. , accessed November 30 2016


Iraklii Moiseevich Toidze. The Motherland Calls!, 1941. The Museum of Modern Art, New York,   P440.


Caplin, Elliott A. True Comics issue 33, March 1944. Underground and Independent Comics, Comix, and Graphic Novels


Her Majesty’s Stationery Office. She Talked...This Happened.1939-45. National Archives (of     Great Britain)