Columbia subject headings:
Communism--Soviet Union.
Marxian economics.
Russia--Politics and government.
Soviet Union--Economic policy.
Soviet Union--Politics and government.
Stalin, Joseph, 1878-1953.
Harvard subject headings:
Soviet Union--Economic policy.
Soviet Union--Politics and government.
Princeton subject headings:
Communism--Russia--History.
Communism--Soviet Union--History.
Russia--Politics and government.
Soviet Union--Economic conditions.
Soviet Union--Politics and government.
Terrorism--Russia--History.
Terrorism--Soviet Union--History.