Columbia subject headings:
Bismarck, Otto, Fürst von, 1815-1898.
Europe--Foreign relations--Germany.
Europe--Politics and government--1848-1871.
Europe--Politics and government--1871-1918.
Germany--Foreign relations--Europe.
Harvard subject headings:
Bismarck, Otto, Fürst von, 1815-1898.
Europe--Foreign relations--Germany.
Europe--Politics and government--19th century.
Germany--Foreign relations--1789-1900.
Germany--Foreign relations--Europe.
Political science--Europe--History
Princeton subject headings: