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