Documents concerning German-Polish relations and the outbreak of hostilities between Great Britain and Germany on September 3, 1939 / presented by the Secretary of State for Foreign Affairs to Parliament by Command of His Majesty.
Command papers, Great Britain
Documents Concerning German-Polish Relations and the Outbreak of Hostilities Between Great Britain and Germany on September 3, 1939, Great Britain. Foreign Office
Issue 9 of Miscellaneous (Great Britain. Foreign and Commonwealth Office)