Columbia subject headings:
Napoleon I, Emperor of the French, 1769-1821--Elba and the Hundred Days, 1814-1815.
Harvard subject headings:
Napoleon I, Emperor of the French, 1769-1821--Elba and the Hundred Days, 1814-1815.
Princeton subject headings:
Napoleon I, Emperor of the French, 1769-1821--Elba and the Hundred Days, 1814-1815.