Columbia subject headings:
Europe--Politics and government--1815-1871.
Germany--Foreign relations.
Germany--Politics and government--1848-1870.
Nationalism--Germany.
Harvard subject headings:
Europe--Politics and government--1815-1871.
Germany--Foreign relations.
Germany--Politics and government--1848-1870.
Nationalism--Germany
Princeton subject headings:
Europe--Politics and government--1815-1871.
Germany--Foreign relations.
Germany--Politics and government--1848-1870.
Nationalism--Germany.