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