Columbia subject headings:
Democracy--Germany--History--20th century.
Germany--Politics and government--20th century.
Labor movement--Germany--History--20th century.
Socialism--Germany--History--20th century.
World politics--20th century.
Harvard subject headings:
Democracy--Germany
Germany--History--20th century.
Germany--Politics and government--1871-
Germany--Politics and government--20th century
Princeton subject headings:
Democracy--Germany.
Germany--History--20th century.
Germany--Politics and government--1871-
Germany--Politics and government--20th century.