In this serial collection of the Russian State Science Foundation, for the first time after a long break, Russian democracy appears as one of the country's leading social forces, consisting not only of representatives of the left-wing radical wing of Russian revolutionaries. Among the authors of the articles published in it - on an equal footing - are not only Bolsheviks and Mensheviks-internationalists, but also prominent figures of other groups and movements of Russian Social Democracy, socialist revolutionaries, people's socialists, anarchists, anarcho-syndicalists, representatives of national and regional organizations of Russia - Muslim, Ukrainian Social Democratic Labor Party (former RUE - Revolutionary Party of Ukraine), Lithuanian Socialdemocratic Workers' Party (former SDPL - Social Democratic Party of Lithuania), the General Jewish Labor Union in Lithuania, Poland, Russia - Bund, other political parties and organizations of the country.