December

Cipher telegram of the plenipotentiary representative of the USSR in Italy N.V. Gorelkin to the People's Commissariat for Foreign Affairs of the USSR about the desire of the Italian leadership to expand bilateral cooperation, including the political component

Report of the Chief of the Main Directorate of the Air Force of the Red Army P. V. Rychagov "The Air Force in an offensive operation and in the struggle for air supremacy" at a meeting of the senior leadership of the Red Army

Report by the commander of the Moscow Military District I. V. Tyulenev "The nature of the modern defensive operation" at a meeting of the senior leadership of the Red Army

Cipher telegram of the plenipotentiary representative of the USSR in Great Britain I.M. Maisky to the People's Commissariat for Foreign Affairs of the USSR about a conversation with the Minister of Foreign Affairs of Great Britain A. Eden about the improvement of Soviet-British relations, the main directions of the foreign policy of the USSR and the war in Africa

Cipher telegram of the plenipotentiary representative of the USSR in Bulgaria A.A.

Cipher telegram of the plenipotentiary representative of the USSR in Romania A.I. Lavrentyev to the People's Commissariat for Foreign Affairs of the USSR on the transfer of weapons and ammunition to Romania from Germany

Special report from Belorussian People's Commissar of Internal Affairs L. Tsanava to First Secretary of the Central Committee of the Belorussian Communist Party P. Ponomarenko about the creation of a channel for providing disinformation to German intelligence services

Letter from the Ambassador of Great Britain to the USSR S. Cripps to the First Deputy People's Commissar for Foreign Affairs of the USSR A. Ya. Vyshinsky on the terms of the transfer of the British nickel concession in Petsamo (Finland) to the Mixed Soviet-Finnish Company

Cipher telegram of the Plenipotentiary of the USSR in Turkey S.A. Vinogradov to the People's Commissariat for Foreign Affairs of the USSR on the official response of the Turkish side to the USSR's inquiry regarding the statement by the Ambassador of Turkey in Moscow H. Aktay from December 10 for the Balkans and the Black Sea

Resolution of the Politburo of the Central Committee of the All-Union Communist Party of Bolsheviks "On the production of AM-38 engines at plant number 24" (pr. Number 24/24-op for December 14, 1940 - January 2, 1941, p. 176)