The Great Soviet Encyclopedia (BRE) is one of the largest publications of the Soviet era, which was published in 65 volumes between 1926 and 1947. This encyclopedia is a unique guide to knowledge about all spheres of life, culture, science and technology in the Soviet Union and other countries of the world. In its pages you can find information about history, geography, language, literature, art, science, technology and much more. BRE contains thousands of articles, illustrations, tables, maps, which reveal various aspects of the life of society and nature. Each volume of the encyclopedia is a valuable source of knowledge that reflects the spirit and ideology of the Soviet period. The "Great Soviet Encyclopedia" is not only a document of its time, but also an important source for researching the history and culture of past eras.