Columbia subject headings:
Germany--Politics and government--1789-1900.
Germany--Politics and government--20th century.
Germany--Social conditions--19th century.
Germany--Social conditions--20th century.
Political parties--Germany--History--19th century.
Political parties--Germany--History--20th century.
Harvard subject headings:
Germany--Politics and government--1789-1900
Germany--Politics and government--20th century
Germany--Social conditions--19th century.
Germany--Social conditions--20th century.
Germany--Social conditions.
Political parties--Germany--History--19th century
Political parties--Germany--History--20th century
Princeton subject headings:
Germany--Politics and government.
Political parties--Germany--History.
Representative government and representation--Germany--History.