Columbia subject headings:
Soviet Union--History, Military.
Soviet Union--History--1939-1945.
World War, 1939-1945--Soviet Union.
World War, 1939-1945.
Harvard subject headings:
Soviet Union--History, Military.
Soviet Union--History--1939-1945.
World War, 1939-1945--History.
World War, 1939-1945--Soviet Union.
Princeton subject headings:
Soviet Union--History, Military.
Soviet Union--History--1939-1945.
World War, 1939-1945--History.
World War, 1939-1945--Soviet Union.