Columbia subject headings:
Architecture, Modern--20th century--Exhibitions.
Art, Modern--20th century--Exhibitions.
Art, Municipal--Exhibitions.
Berlin (Germany)--Buildings, structures, etc.--Exhibitions.
City planning--History--20th century--Exhibitions.
London (England)--Buildings, structures, etc.--Exhibitions.
New York (N.Y.)--Buildings, structures, etc.--Exhibitions.
Paris (France)--Buildings, structures, etc.--Exhibitions.
Harvard subject headings:
Architecture, Modern--20th century--Exhibitions
Art, Modern--20th century--Exhibitions
Art, Municipal--Exhibitions.
Berlin (Germany)--Buildings, structures, etc.--Exhibitions.
City planning--History--20th century--Exhibitions.
London (England)--Buildings, structures, etc.--Exhibitions.
New York (N.Y.)--Buildings, structures, etc.--Exhibitions.
Paris (France)--Buildings, structures, etc.--Exhibitions.
Princeton subject headings:
Architecture, Modern--20th century--Exhibitions.
Art, Modern--20th century--Exhibitions.
Art, Municipal--Exhibitions.
Berlin (Germany)--Buildings, structures, etc.--Exhibitions.
City planning--History--20th century--Exhibitions.
London (England)--Buildings, structures, etc.--Exhibitions.
New York (N.Y.)--Buildings, structures, etc.--Exhibitions.
Paris (France)--Buildings, structures, etc.--Exhibitions.