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