Columbia subject headings:
Concert of Europe.
France--Foreign relations--1848-1870.
Napoleon III, Emperor of the French, 1808-1873.
Harvard subject headings:
Concert of Europe.
France--Foreign relations--1848-1870.
Napoleon III, Emperor of the French, 1808-1873.
Princeton subject headings:
Concert of Europe.
France--Foreign relations--1848-1870.
Napoleon III, Emperor of the French, 1808-1873.