Columbia subject headings:
Harvard subject headings:
Austro-Prussian War, 1866.
Franco-Prussian War, 1870-1871
Germany--History--1789-1900.
Schleswig-Holstein War, 1864.
Princeton subject headings:
Austro-Prussian War, 1866.
Franco-Prussian War, 1870-1871.
Germany--History, Military--19th century.
Germany--History--1848-1870.
Germany--History--1866-1871.
Schleswig-Holstein War, 1864.