Great Soviet Encyclopedia

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.