The Great Soviet Encyclopedia (Russian: Большая советская энциклопедия, or БСЭ; transliterated Bolshaya sovetskaya entsiklopediya) is one of the largest and most comprehensive Russian language encyclopedias in the world, issued by the Soviet state from 1926 to 1990.- 95,267 articles.- Favorites.- History of queries sorted by time and frequency.- Search for word from the clipboard when the program starts.