"Great Soviet Encyclopedia" (EC) is a landmark publication that has gone down in history as one of the largest and most authoritative reference books of the Soviet era. Covering a wide range of topics from science and technology to history and art, the encyclopedia provided the reader with the opportunity to obtain complete and objective information about various aspects of the life and culture of the Soviet Union. This publication became an invaluable source of knowledge for millions of people who sought to expand their horizons and deepen their understanding of the world around them. "The Great Soviet Encyclopedia" remains a standard of Ukrainian publishing art and cultural heritage.