Columbia subject headings:
Harvard subject headings:
Austro-Prussian War, 1866.
France--Foreign relations--Germany--Prussia.
Franco-Prussian War, 1870-1871
Prussia (Germany)--Foreign relations--France.
Princeton subject headings:
Austro-Prussian War, 1866.
France--Foreign relations--Germany--Prussia.
Franco-Prussian War, 1870-1871.
Prussia (Germany)--Foreign relations--France.