Basel

АВП РФ. Ф. 059. Оп. 1. П. 300. Д. 2078. Л. 156–158.
Cipher telegram from Soviet Plenipotentiary Representative in Great Britain I. Maisky to the Soviet People’s Commissariat of Foreign Affairs about Prime Minister N. Chamberlain’s speech in British Parliament and the plans of the Franco-British allies for turning the war in Europe into a protracted siege of Germany
12 October 1939
Archive of Foreign Policy of the Russian Federation
Coll. 059, ser. 1, box 300, fold. 2078, ff. 156–158.

Certified copy