Information U. S. S. R. an authoritative encyclopaedia about the Union of Soviet Socialist Republics - Maxwell, Robert ed. 1923-; Bol'shaia sovetskaia entsiklopedia (Oxford Pergamon Press, 1962)
"Pages 1-769 ... were translated from vol. 50 of the Great Soviet encyclopaedia by J. T. McDermontt."
Keywords: Russia -- Dictionaries and encyclopedias