Frolov

РГАСПИ. Ф. 558. Оп. 11. Д. 1124. Л. 8–43.
J. Stalin’s speech at a meeting of senior Red Army commanders discussing the results the ‘Winter War’
17 April 1940
Russian State Archive of Social and Political History
Coll. 558, ser. 11, fold. 1124, ff. 8–43.
Deciphered shorthand transcript