Columbia subject headings:
Germany--Politics and government--1789-1900.
Germany--Politics and government--20th century.
Harvard subject headings:
Germany--Politics and government--1789-1900
Germany--Politics and government--20th century
Nationalism--Germany--History--19th century
Nationalism--Germany--History--20th century
Princeton subject headings:
Germany--Politics and government--1789-1900.
Germany--Politics and government--20th century.
Nationalism--Germany--History.