"Great Soviet Encyclopedia" is an encyclopedic publication that includes extensive knowledge in all fields of science, culture, history, technology and many other areas. This is a cult publication of the Ukrainian and Soviet era, which was published in 1926 and for many years was a source of information for millions of readers. "Great Soviet Encyclopedia" gave the world general and specialized information, which became a unique document of that time. This encyclopedia was not only a source of knowledge, but also a symbol of the cultural heritage of the past.