1939年8月德蘇互不侵犯條約簽訂
典藏者
National Archives & Records Administration
資料來源：Soviet Foreign Minister Molotov signs the German-Soviet non-aggression pact; Joachim von Ribbentrop and Josef Stalin stand behind him, Moscow, August 23. 1939. Von Ribbentrop Collection. (ARC Identifier: 540196), National Archives & Records Administration.
