Ott

ЦА МО РФ. Ф. 23. Оп. 24127. Д. 2. Л. 422.
Cipher telegram from Tokyo to the Intelligence Directorate of the General Staff of the Red Army about Germany’s planned attack against the USSR in the second half of June 1941
30 May 1941
Central Archive of the Ministry of Defence of the Russian Federation
Coll. 23, ser. 24127, fold. 2, f. 422.

Certified copy