Columbia subject headings:
Harvard subject headings:
Soviet Union--Economic policy--1917-1928.
Soviet Union--Politics and government--1917-1936.
Stalin, Joseph, 1878-1953
Stalin, Joseph, 1878-1953.
Princeton subject headings:
Soviet Union--Economic policy--1917-1928.
Soviet Union--Politics and government--1917-1936.
Stalin, Joseph, 1878-1953.