Bulgaria

9 November 1940
Russian State Archive of Social and Political History
Coll. 82, ser. 2, fold. 1161, ff. 147–155.

Original. Autograph of V. Molotov

12–13 November 1940
Russian State Archive of Social and Political History
Coll. 558, ser. 11, fold. 297, ff. 12–18, 19–29, 66–90, 91–105.

Original and copies

13 November 1940
Archive of Foreign Policy of the Russian Federation
Coll. 059, ser. 1, box 339, fold. 2315, ff. 29–30, 30v.

Original. Title and certain corrections – autograph of J. Stalin