"Great Soviet Encyclopedia" is a publication that has become a real treasure trove of knowledge for generations of readers. In its scope, it amazes the imagination of even the most demanding readers: 31 volumes, more than 100 thousand articles, photographs, illustrations. Every word in this encyclopedia is a source of comprehensive information from various fields of knowledge: from history, politics and economics to science, technology and art. The "Great Soviet Encyclopedia" became not just a reference book, but a real treasure of national and world culture, which still remains a relevant and useful source of knowledge.