Columbia subject headings:
Photography, Artistic--Exhibitions.
Siemens Fotosammlung--Exhibitions.
Harvard subject headings:
Photography, Artistic--Exhibitions
Photography--History--20th century--Exhibitions.
Pinakothek der Moderne (Munich, Germany)--Exhibitions.
Siemens Fotosammlung--Exhibitions.
Princeton subject headings:
Photography, Artistic--Exhibitions.
Siemens Fotosammlung--Exhibitions.