Columbia subject headings:
Art and photography--History--20th century.
Art and photography--History--21st century.
Photography, Artistic--20th century.
Photography, Artistic--21st century.
Harvard subject headings:
Princeton subject headings:
Art and photography--History--20th century.
Art and photography--History--21st century.
Photography, Artistic--20th century.
Photography, Artistic--21st century.