Columbia subject headings:
Steel industry and trade--Soviet Union--History.
World War, 1939-1945--Economic aspects--Soviet Union.
Harvard subject headings:
Industries--Soviet Union
Steel industry and trade--Soviet Union--History.
World War, 1939-1945--Economic aspects--Soviet Union.
Princeton subject headings:
Soviet Union--History--1939-1945.
Steel industry and trade--Soviet Union.
World War, 1939-1945--Soviet Union.