Columbia subject headings:
Labor movement--Russia (Federation)--Siberia--History--Sources.
Working class--Russia (Federation)--Siberia--History--Sources.
Harvard subject headings:
Labor movement--Russia (Federation)--Siberia--History--Sources.
Working class--Russia (Federation)--Siberia--History--Sources.
Princeton subject headings:
Labor movement--Russia (Federation)--Siberia--History--Sources.
Working class--Russia (Federation)--Siberia--History--Sources.