Columbia subject headings:
Architectural photography.
Architecture--Germany--History--20th century--Pictorial works.
Schwanzer, Karl.
Harvard subject headings:
Architects--Germany
Architectural photography.
Architecture--Germany--20th century--Pictorial works.
Schwanzer, Karl
Princeton subject headings:
Architectural photography--Exhibitions.
Architecture, Modern--20th century--Exhibitions.
Schwanzer, Karl--Exhibitions.