The Great Soviet Encyclopedia, Moscow, The State Scientific Publishing House "The Great Soviet Encyclopedia", 2nd edition, editor-in-chief B.A. Vvedensky, volume 40, 1957
Tikhomirov A.E. Chronicle of the USSR (1961-1991). LAP LAMBERT Academic Publishing, 2012
The Chronicle of Russia. XX century. A.P. Karelin, P.P. Cherkasov, A.V. Shubin, etc. Moscow. "The Word", 2002