Columbia subject headings:
Germany--History--1789-1900.
Nationalism--Germany--History--19th century.
Harvard subject headings:
Germany--History--1789-1900.
Nationalism--Germany--History--19th century
Princeton subject headings:
Austria--Relations--Germany.
Germany--Politics and government--1871-1888.
Germany--Relations--Austria.
Nationalism--Germany--History--19th century.