Columbia subject headings:
Emperors--France--19th century--Biography.
France--History--19th century--Biography.
Napoleon III, Emperor of the French, 1808-1873.
Harvard subject headings:
Emperors--France--Biography
France--History--1848-1870.
Napoleon III, Emperor of the French, 1808-1873.
Princeton subject headings:
Emperor--France--19th century--Biography.
France--History--19th century--Biography.
Napoleon III, Emperor of the French, 1808-1873.