Columbia subject headings:
Germany--History--1933-1945.
Soviet Union--History--German occupation, 1941-1944.
World War, 1939-1945--Economic aspects--Germany.
World War, 1939-1945--Underground movements--Soviet Union.
Harvard subject headings:
Germany--History--1933-1945.
Soviet Union--History--German occupation, 1941-1944.
World War, 1939-1945--Economic aspects--Germany.
World War, 1939-1945--Underground movements--Soviet Union.
Princeton subject headings:
Germany--History--1933-1945.
Soviet Union--History--German occupation, 1941-1944.
World War, 1939-1945--Economic aspects--Germany.
World War, 1939-1945--Underground movements--Soviet Union.