Columbia subject headings:
Germany--Intellectual life--19th century.
Germany--Intellectual life--20th century.
Nationalism--Germany--History--19th century.
Nationalism--Germany--History--20th century.
Harvard subject headings:
Germany--Intellectual life--19th century.
Germany--Intellectual life--20th century.
Germany--Politics and government--1871-1918.
Nationalism--Germany--History--19th century
Nationalism--Germany--History--20th century
Radicals--Germany--History.
Princeton subject headings: