"Great Soviet Encyclopedia" is a well-known publication that went down in history as one of the largest and most authoritative general encyclopedias of the last century. First published in 65 volumes between 1926 and 1947, new editions appeared in subsequent years. The "Great Soviet Encyclopedia" contained a wide range of knowledge from various fields of science, culture and technology of that time. Thanks to its detail and volume, it has become an indispensable source of information for specialists and the general public. This encyclopedia is a unique reflection of the cultural and scientific achievements of Soviet society and the world as a whole during a certain historical period. The "Great Soviet Encyclopedia" remains a valuable document that testifies to the development of humanity in the 20th century.