"Bigger Soviet Encyclopedia" is one of the most outstanding encyclopedic publications of the last century, which has a reputation as a reliable source of knowledge. Each volume of this encyclopedia contains a huge amount of information, arranged alphabetically by topic. This is an important document of the socio-political and cultural history of the Soviet Union, which reflected the spirit and mood of that time. "Bolshaya Sovetskaya Encyclopedia" is not just a dictionary, but a real treasury of knowledge, which helped a wide range of readers to expand their outlook, to better understand history, culture and science.