Columbia subject headings:
Napoleon III, Emperor of the French, 1808-1873.
Zola, Émile, 1840-1902. Rougon-Macquart.
Harvard subject headings:
Napoleon III, Emperor of the French, 1808-1873.
Zola, Émile, 1840-1902. Rougon-Macquart.
Princeton subject headings:
Napoleon III, Emperor of the French, 1808-1873.
Zola, Émile, 1840-1902. Rougon-Macquart.