"To the commander of defense of the Finnish region" (March 4, 1918)

"Memorandum of the special commissar of the Murmansk-Belomorsky krai" (August 22, 1918)

"Memorandum of Nothern Front Commander-in-Chief" (November 21, 1918)

"Report on the situation in Petrograd region, (January 31, 1919)

"The resolution about the establishing of the frontier guard on the new state border with Finland" (March 16, 1940)

"Special Report of NKVD of Karelian-Finnish SSR" (July 1941)