Columbia subject headings:
Communism--Russia (Federation)--Siberia.
Siberia (Russia)--Economic conditions.
Siberia (Russia)--Social conditions.
Harvard subject headings:
Communism--Russia (Federation)--Siberia.
Siberia (Russia)--Economic conditions.
Siberia (Russia)--Social conditions.
Princeton subject headings:
Siberia (Russia)--Economic conditions.
Siberia (Russia)--History--Revolution, 1917-1921.
Siberia (Russia)--Social conditions.