Columbia subject headings:
Germany--Politics and government--20th century.
Harvard subject headings:
Democracy--Germany--History--20th century
Germany (East)--Politics and government.
Germany (West)--Politics and government.
Germany--Politics and government--1918-1933
Princeton subject headings:
Democracy--Germany--History--20th century.
Germany (East)--Politics and government.
Germany (West)--Politics and government.
Germany--Politics and government--1918-1933.