Cipher telegram from Soviet People’s Commissar of Foreign Affairs V. Molotov to Soviet plenipotentiary representatives in Latvia, Lithuania, Estonia and Finland about the attitude of the Soviet government to the activities of the Baltic Entente after the signature of mutual assistance treaties between the USSR and the Baltic countries
14 June 1940
Archive of Foreign Policy of the Russian Federation
Coll. 059, ser. 1, box 339, fold. 2319, ff. 125–126.