Columbia subject headings:
Art and photography--Exhibitions.
Art, Modern--20th century--Exhibitions.
Photography, Artistic--Exhibitions.
Harvard subject headings:
Art and photography--Exhibitions.
Painting, Modern--20th century--Exhibitions
Photography, Artistic--Exhibitions
Princeton subject headings:
Art and photography--Exhibitions.
Art, Modern--20th century--Exhibitions.
Photography, Artistic--Exhibitions.