USA

12 October 1939
Russian State Archives of Film and Photo Documents
Ser. 1, album 6639, № 64.
Photograph
Berlin. 2 March 1940
Russian State Military Archive
Coll. 1511k, ser. 1, fold. 76, f. 116.

Photograph

London. 11 March 1940
Russian State Military Archive
Coll. 1511k, ser. 1, fold. 78, f. 201.
Photograph
17 April 1940
Russian State Archive of Social and Political History
Coll. 558, ser. 11, fold. 1124, ff. 8–43.
Deciphered shorthand transcript
22 June 1940
Russian State Military Archive
Coll. 37977, ser. 1, fold. 693, ff. 38–39
Original