Columbia subject headings:
Harvard subject headings:
Democracy--Germany--History--20th century
Germany--History--1918-1933.
Germany--Politics and government--1918-1933
Political parties--Germany--History--20th century
Princeton subject headings:
Democracy--Germany--History--20th century.
Germany--History--1918-1933.
Germany--Politics and government--1918-1933.
Political parties--Germany--History--20th century.