Columbia subject headings:
Political persecution--Russia (Federation)--Siberia--History--20th century.
Siberia (Russia)--History--1917-
Soviet Union--Politics and government--1917-1936.
Soviet Union--Politics and government--1936-1953.
Harvard subject headings:
Political persecution--Russia (Federation)--Siberia--History--20th century.
Siberia (Russia)--History--1917-
Soviet Union--Politics and government--1917-1936.
Terrorism--Russia (Federation)--Siberia.
Princeton subject headings: