Message from Soviet People’s Commissar of Internal Affairs L. Beria to Soviet People’s Commissar of Defence K. Voroshilov about the collaboration of émigré Caucasian highlanders with French military intelligence and the striving of some French senators to speed up the attack of allied forces on Soviet Transcaucasia
22 March 1940
Russian State Military Archive
Coll. 33987, ser. 3а, fold. 1306, f. 85.