Herbert Hoover Presidential Library and Museum Archives:
Smith, Truman. Berlin Alert : the Memoirs and Reports of Truman Smith. Stanford, Calif. :Hoover Institution Press, Stanford University, 1984.
Image Citations:
Home page:
Truman Smith, Charles Lindbergh, and German officer
“[Truman Smith and Charles Lindbergh inspecting aircraft, 1937.]” Photograph. Pomerania, Germany. http://spartacus-educational.com/USAlindbergh.htm (accessed May 4, 2017).
Military Espionage page:
A German factory producing Bf-109s.
“[B-24 production line.]” Photograph. Willow Run Detroit. http://acepilots.com/planes/factory.html (accessed May 4, 2017).
Treaty of Versailles page:
Political Cartoon about the Treaty of Versailles
“[Cartoon summarizing the War Guilt Clause.]” Photograph. Scranton, Pennsylvania. The Scranton Times: U.S. Newspaper, November 11, 1918. http://argunners.com/irony-treaty-versailles/ (accessed May 4, 2017).
Secrets of the Luftwaffe page:
Officers waiting outside of a plane
“[Junkers 52 and an airport runabout VW.]” Photograph. Germany. http://forums.vwvortex.com/showthread.php?7126703-Here-s-something-for-the-classic-aircraft-and-VW-fans&p=87242516 (accessed May 4, 2017).
Intelligence gathered page:
Messerschmitt Bf-109
“[Bf 109A from the Condor Legion during Spanish Civil War.]” Photograph. (1936-1939). https://en.wikipedia.org/wiki/Messerschmitt_Bf_109 (accessed May 4, 2017).
German four-engine aircraft
“[ME-264 Prototype Bomber Flight]” Photograph. Germany. https://en.wikipedia.org/wiki/Messerschmitt_Me_264 (accessed May 4, 2017).
Air Industry page:
He-111 bomber
“[HE-111 in Flight]” Photograph. Germany. https://en.wikipedia.org/wiki/Heinkel_He_111 (accessed May 4, 2017).
Ju-88 bomber
“[Junkers Tactical Bomber in Flight]” Photograph. Germany. https://en.wikipedia.org/wiki/Junkers_Ju_88 (accessed May 4, 2017).
Experience with Lindbergh page:
Charles Lindbergh and “Spirit of St. Louis”
“[Lindbergh and the Spirit of St. Louis at Roosevelt Field.]” Photograph. Mineola, New York. https://en.wikipedia.org/wiki/Spirit_of_St._Louis (accessed May 4, 2017).
Charles Lindbergh in Germany in civilian clothes.
“[Charles Lindbergh America First.]” Photograph. From America First Committee: In Danger Undaunted: The Anti-Interventionist Movement of 1940-1941. https://en.wikipedia.org/wiki/America_First_Committee (accessed May 4, 2017).
Aircraft bomber factory
“[A Heinkel He 111H of Kampfgeschwader 53.]” Photograph. https://en.wikipedia.org/wiki/Heinkel_He_111 (accessed May 4, 2017).
An American’s Firsthand Experience page:
Berlin Alert Cover
“[Truman Smith’s Memoirs]” Photograph/Book Cover. United States. https://www.amazon.com/Berlin-Alert-Memoirs-Reports-Truman/dp/0817978925 (accessed May 4, 2017).
Smith talking with Germans
“[Smith Speaking To German Officers]” Photograph. United States. https://www.amherst.edu/alumni/learn/bookclub/pastfeatures/hitlerland/excerpt (accessed May 4, 2017).