Columbia subject headings:
Soviet Union--Economic conditions--1917-1945.
Soviet Union--Economic conditions.
Soviet Union--Politics and government--1917-1936.
Soviet Union--Politics and government.
World War, 1939-1945--Soviet Union.
Harvard subject headings:
Soviet Union--Economic conditions--1917-1945.
Soviet Union--Politics and government--1917-1936.
World War, 1939-1945--Soviet Union.
Princeton subject headings:
Soviet Union--Economic conditions--1917-1945.
Soviet Union--Politics and government--1917-1936.
World War, 1939-1945--Soviet Union.