Message from Soviet People’s Commissar of Internal Affairs L. Beria to Soviet People’s Commissar of Defence S. Timoshenko about Germany’s role in the fate of the Baltic countries, the activisation of German and military Fascist organisations in Lithuania, and rumours of the inevitable military conflict between Germany and the USSR
2 June 1940
Russian State Military Archive
Coll. 33987, ser. 3а, fold. 1306, ff. 173–175.