Columbia subject headings:
Harvard subject headings:
Communism--Social aspects--Soviet Union--History.
Dictatorship--Soviet Union--History.
Political violence--Soviet Union--History.
Power (Social sciences)--Soviet Union--History.
Soviet Union--History--1925-1953.
Soviet Union--Politics and government--1936-1953.
Stalin, Joseph, 1878-1953
State-sponsored terrorism--Soviet Union--History.
Princeton subject headings:
Dictatorship--Soviet Union.
Soviet Union--Politics and government--1917-1936.
Soviet Union--Politics and government--1936-1953.
Stalin, Joseph, 1878-1953.
Totalitarianism--History--20th century.