"Great Soviet Encyclopedia" (PP) is a unique publication that became a real factor of influence on the development of Soviet society. Thanks to this encyclopedia, every Soviet citizen had the opportunity to gain access to knowledge in various fields of science, culture, technology, history, and other areas. Each generation of users got acquainted with this encyclopedia as a reliable source of information that reflected all spheres of Soviet life. The "Great Soviet Encyclopedia" was a huge project that united talented writers, scientists and specialists from various fields of knowledge. The publication contained thousands of articles on all aspects of life and activity, illustrations, cards, tables, which made it an indispensable reference for everyone. "Big Soviet Encyclopedia" (PP) became a symbol of the spirit and ideology of Soviet socialism, preserving the cultural heritage and important events of its time. This publication remains a valuable source of information and an object of memory about the past of the Soviet era.