The "Great Soviet Encyclopedia" is a unique publication that aimed to collect all the knowledge of that time in one place. This encyclopedia consists of numerous volumes, which provide information from various fields of knowledge - from history and geography to science and technology. The texts in the encyclopedia are written in sufficient detail and are accessible to readers of any level of knowledge. The publication contains many illustrations, diagrams, tables, which makes the process of familiarization with the material more interesting and visual. The "Great Soviet Encyclopedia" is not only a source of information, but also a kind of window into the world of culture and science of past decades.