"Big Soviet Encyclopedia" is a publication that is one of the symbols of Soviet culture and education. Created under the editorship of Academician MG Polyakov, this encyclopedia was first published in 1926 and for many decades was considered one of the largest and most authoritative sources of knowledge. It covers all spheres of life: from history, politics and science to culture, art and technology. The book Bolshaya Sovetskaya encyclopedia is an important monument of the past, a deep source of information and an extremely valuable document for studying the history of the Soviet Union and world culture.