Columbia subject headings:
Labor unions--Political activity--Russia (Federation)--Moscow--History.
Russia--History--Revolution, 1905-1907.
Harvard subject headings:
Labor unions--Political activity--Russia (Federation)--Moscow--History.
Labor unions--Russia (Federation)--Moscow--Political activity--History.
Russia--History--Revolution, 1905-1907.
Princeton subject headings:
Labor unions--Soviet Union--History.
Labor--Soviet Union.
Russia--History--Revolution, 1905-1907.