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