The monograph, based on a large amount of archival material first introduced into scientific circulation from the archives of the Russian Federation and the USA, traces the process of expelling Russian intelligentsia from Russia after the end of the Civil War. The author studies the formation of the cultural and migration system in the country, pays special attention to the place and role of the Russian intelligentsia in emigration flows. For the first time in Russian historiography, the entire range of Russian diasporas in various regions and specific countries is shown. The work is intended for professional historians studying Russian emigration, graduate students and students, all interested in the Patriotic history of the twentieth century.