"Greater Soviet Encyclopedia" is a publication that represents one of the largest encyclopedias in the world, created in the USSR in 1926-1990. In its 31 volumes, this encyclopedia covers a wide range of topics - from natural sciences and humanities to history, culture and technology. Each volume of the encyclopedia contains invaluable information that reflects the outlook and development of Soviet society during the publication's existence. "Bolshaya Sovetskaya Encyclopedia" is an important document of history and culture, which is an invaluable source of knowledge for readers around the world.