Columbia subject headings:
Harvard subject headings:
Bismarck, Otto, Fürst von, 1815-1898
Germany--History--1871-1918
Germany--History--20th century
Germany--Politics and government--1871-1888
Prussia (Germany)--Politics and government--1815-1870
Princeton subject headings:
Bismarck, Otto, Fürst von, 1815-1898.
Germany--History--1871-1918.
Germany--History--20th century.
Germany--Politics and government--1871-1888.
Prussia (Germany)--Politics and government--1815-1870.