Columbia subject headings:
Germany--Politics and government--1918-1933.
Germany--Politics and government--1933-1945.
Germany. Heer.
World War, 1939-1945--Germany.
Harvard subject headings:
Germany--Politics and government--1918-1933
Germany--Politics and government--1933-1945.
Germany. Heer.
World War, 1939-1945--Germany.
Princeton subject headings:
Germany--Politics and government--1918-1933.
Germany--Politics and government--1933-1945.
Germany. Heer
World War, 1939-1945--Germany.