Columbia subject headings:
Harvard subject headings:
Moskovskiĭ "Rabochiĭ soi︠u︡z"--History.
Working class--Political activity--Russia (Federation)--Moscow--History--19th century.
Working class--Russia (Federation)--Moscow--Political activity--History--19th century.
Princeton subject headings:
Communism--Russia (Federation)--Moscow--History.
Communism--Soviet Union--History.
Moskovskiĭ "Rabochiĭ soi︠u︡z"