Columbia subject headings:
Europe--Politics and government--1848-1871.
Europe--Politics and government--1871-1918.
France--Foreign relations--1852-1870.
France--Foreign relations--1870-1940.
Harvard subject headings:
Europe--Politics and government--1848-1871.
Europe--Politics and government--1871-1918.
France--Foreign relations--1852-1870.
France--Foreign relations--1870-1940.
Princeton subject headings: