Columbia subject headings:
Harvard subject headings:
Austria--History--1848-1867.
Austro-Prussian War, 1866.
Bismarck, Otto, Fürst von, 1815-1898.
Germany--History--1866-1871.
Prussia (Germany)--History--William I, 1861-1888.
Princeton subject headings:
Austria--History--1848-1867.
Austro-Prussian War, 1866.
Bismarck, Otto, Fürst von, 1815-1898.
Germany--History--1866-1871.
Prussia (Germany)--History--William I, 1861-1888.