Columbia subject headings:
Europe--History--1918-1945.
Soviet Union--History--German occupation, 1941-1944.
World War, 1939-1945--Campaigns--Soviet Union.
World War, 1939-1945--Germany.
Harvard subject headings:
Princeton subject headings:
Europe--History--1918-1945.
Soviet Union--History--German occupation, 1941-1944.
World War, 1939-1945--Campaigns--Soviet Union.
World War, 1939-1945--Germany.