Columbia subject headings:
Harvard subject headings:
Germany--History, Military--20th century
Soviet Union--History--German occupation, 1941-1944
World War, 1939-1945--Campaigns--Eastern Front
World War, 1939-1945--Campaigns--Soviet Union
World War, 1939-1945--Germany
Princeton subject headings:
Germany--History, Military--20th century.
Soviet Union--History--German occupation, 1941-1944.
World War, 1939-1945--Campaigns--Eastern Front.
World War, 1939-1945--Campaigns--Soviet Union.
World War, 1939-1945--Germany.