Columbia subject headings:
Harvard subject headings:
Europe--History--1789-1900
France--History--1789-1900
Franco-Prussian War, 1870-1871
Germany--History--1789-1900
Princeton subject headings:
Franco-Prussian War, 1870-1871--Campaigns.
Franco-Prussian War, 1870-1871.
Prussia (Germany)--History, Military.
Prussia (Germany)--History--1789-1900.