Estonia

28 September 1939
Archive of Foreign Policy of the Russian Federation
Coll. 3а, ser. 1, box 16, fold. 130.

Original. In Russian and Estonian

28 September 1939
Archive of Foreign Policy of the Russian Federation
Coll. 3а, ser. 1, box 1, fold. 010.
Original
28 September 1939
Archive of Foreign Policy of the Russian Federation
Coll. 3а, ser. 1, box 16, fold. 135.
Original
28 September 1939
Archive of Foreign Policy of the Russian Federation
Coll. 3а, ser. 1, box 1, fold. 011.
Original
5 October 1939
Archive of Foreign Policy of the Russian Federation
Coll. 3а, ser. 1, box 12, fold. 139.

Original. In Russian and Latvian

14 October 1939
Archive of Foreign Policy of the Russian Federation
Coll. 06, ser. 1, box 18, fold. 191, ff. 1–2.
Copy