Columbia subject headings:
Harvard subject headings:
Architectural photography--Germany--Exhibitions.
Architectural photography--Germany--History--20th century--Exhibitions.
Architecture--Germany--History--20th century--Pictorial works--Exhibitions.
Dicke, Bernd--Art collections--Exhibitions.
Postcards--Private collections--Germany--Exhibitions.
Princeton subject headings:
Architectural photography--Germany--Exhibitions.
Architecture--Germany 20th century--Pictorial works--Exhibitions.
Dicke, Bernd--Art collections--Exhibitions.
Postcards--Private collections--Germany--Exhibitions.