"Great Soviet Encyclopedia" is one of the largest publications of the 20th century, which was created by a team of authors over many years. The encyclopedia consists of numerous volumes that describe various aspects of science, culture, technology, history, and other fields of knowledge. This huge work contained not only information from various fields, but also reflected the world picture of contemporary life. The "Great Soviet Encyclopedia" was an important source of information for all strata of society, regardless of their level of education. The publication was written in a language accessible to the general public, so it became a popular reference material in libraries, educational institutions and homes of many citizens. The Great Soviet Encyclopedia is an important historical document that reflects the ideology, education, and scientific achievements of Soviet society. In addition, the publication contains unique illustrations, photographs and diagrams that complement the text and make it more understandable.