Report from Soviet People’s Commissar of Defence S. Timoshenko to the Politburo of the Soviet Communist Party Central Committee and the Council of People’s Commissars of the Soviet Union about the creation of the Baltic Military District and the start of activities for preparing its territory for a possible war
17 June 1940
Russian State Military Archive
Coll. 4, ser. 19, fold. 71, ff. 238–238v.