Columbia subject headings:
Art and photography--History--19th century--Exhibitions.
Impressionism (Art)--Exhibitions.
Painting, Modern--19th century--Exhibitions.
Photography, Artistic--Exhibitions.
Photography--History--19th century--Exhibitions.
Harvard subject headings:
Art and photography--History--19th century--Exhibitions.
Impressionism (Art)--Exhibitions
Painting, Modern--19th century--Exhibitions
Photography, Artistic--Exhibitions
Photography--History--19th century--Exhibitions
Princeton subject headings: