Columbia subject headings:
Communism--Russia (Federation)--Siberia--History.
Revolutionaries--Russia (Federation)--Siberia--History.
Siberia (Russia)--History.
Siberia (Russia)--Politics and government.
Soviet Union--History--Revolution, 1917-1921.
Harvard subject headings:
Communism--Russia (Federation)--Siberia--History
Revolutionaries--Russia (Federation)--Siberia--History.
Siberia (Russia)--History
Siberia (Russia)--Politics and government.
Soviet Union--History--Revolution, 1917-1921.
Princeton subject headings: