"Big Soviet Encyclopedia" (Tomy Cherepovetschi edition) is a publication that became a huge source of knowledge in Soviet times. In its many volumes, it covers a wide range of topics from science and culture to history and technology. This encyclopedia contains a huge number of illustrations, diagrams, maps and photographs, revealing the subject of each individual entry in the best light. Such a publication served not only as a reference guide, but also as a source of inspiration for the younger generation and adults. The "Great Soviet Encyclopedia" is a unique reflection of socio-political ideas and scientific research of the times in which it was created.