History Group of the Ministry for Culture and Heritage, Wellington, New Zealand: Overview - New Zealand and the Second World War (angol nyelven). New Zealand's History online. Ministry for Culture and Heritage, Wellington, New Zealand, 2005. (Hozzáférés: 2007. január 15.)
TelegramArchiválva2009. november 7-i dátummal a Wayback Machine-ben: The German Ambassador in the Soviet Union, (Schulenburg) to the German Foreign Office. Moscow, September 10, 1939-9:40 p. m. and Telegram 2Archiválva2007. április 30-i dátummal a Wayback Machine-ben: he German Ambassador in the Soviet Union (Schulenburg) to the German Foreign Office. Moscow, September 16, 1939. Source: The Avalon Project at Yale Law School.
TelegramArchiválva2009. november 7-i dátummal a Wayback Machine-ben: The German Ambassador in the Soviet Union, (Schulenburg) to the German Foreign Office. Moscow, September 10, 1939-9:40 p. m. and Telegram 2Archiválva2007. április 30-i dátummal a Wayback Machine-ben: he German Ambassador in the Soviet Union (Schulenburg) to the German Foreign Office. Moscow, September 16, 1939. Source: The Avalon Project at Yale Law School.