Columbia subject headings:
Harvard subject headings:
Industries--Russia (Federation)--Siberia--History.
Labor supply--Russia (Federation)--Siberia--History.
Princeton subject headings:
Industries--Russia (Federation)--Siberia.
Labor movement--Russia (Federation)--Siberia--History--20th century.
Labor supply--Russia (Federation)--Siberia--History--20th century.
Technical education--Russia (Federation)--Siberia--History--20th century.