Columbia subject headings:
Harvard subject headings:
Bismarck, Otto, Fürst von, 1815-1898.
Germany--Politics and government--1871-1918.
Prussia (Germany)--Politics and government--1815-1870.
Statesmen--Germany--Biography.
Princeton subject headings:
Bismarck, Otto, Fürst von, 1815-1898.
Germany--Politics and government--1848-1870.
Statesmen--Germany--Biography.