Columbia subject headings:
Harvard subject headings:
Architectural photography--Germany.
Becher, Bernd, 1931-2007.
Becher, Hilla.
Becker, Bernd, 1931---Exhibitions.
Becker, Hilla--Exhibitions.
Industrial buildings--Germany--Pictorial works.
Industrial buildings--Pictorial works--Exhibitions.
Photography, Artistic.
Photography, Industrial
Photography, Industrial--Exhibitions.
Princeton subject headings:
Architectural photography.
Becher, Bernd, 1931-2007.
Becher, Hilla.
Industrial buildings--Pictorial works.
Photography, Industrial.