"Great Soviet Encyclopedia" (ОЖ) is a publication that occupies a special place in the history of Ukrainian and Soviet culture. Created by a group of authors in the period from 1926 to 1947, it includes rich information from various fields of knowledge - from history and philosophy to science and art. The "Great Soviet Encyclopedia" had a huge impact on the general education and self-education of citizens in the Soviet Union. The publication was noted for the volume and depth of the presented information, which is still valued as a source of knowledge. Written in a language accessible to a wide range of readers, "Big Soviet Encyclopedia" was widely used as a reference and source of information for schoolchildren, students, teachers, as well as for the general public. This encyclopedia became a symbol of knowledge, the discovery of new things and the growth of personal culture. The large volume of knowledge contained in the "Great Soviet Encyclopedia" made it one of the most expensive publications in the history of Ukrainian and Soviet literature.