Columbia subject headings:
Photography--France--History--19th century--Exhibitions.
Harvard subject headings:
Bibliothèque nationale de France. Galerie de photographie--Exhibitions.
Napoleon III, Emperor of the French, 1808-1873--Photograph collections--Exhibitions.
Photography--France--History--19th century--Exhibitions.
Princeton subject headings:
Napoleon III, Emperor of the French, 1808-1873--Photograph collections--Exhibitions.
Photography, Artistic--Exhibitions.