Columbia subject headings:
Harvard subject headings:
Germany--Politics and government--1933-1945.
National socialism.
World War, 1939-1945--Causes.
World War, 1939-1945.
Princeton subject headings:
Germany--Politics and government--1933-1945.
National socialism--Germany.
World War, 1939-1945--Causes.
World War, 1939-1945.