Columbia subject headings:
Architecture, Modern--21st century--Congresses.
Architecture--Political aspects--Congresses.
Art and architecture--Congresses.
City planning--Congresses.
Harvard subject headings:
Architecture, Modern--21st century--Congresses.
Architecture--Political aspects--Congresses.
Art and architecture--Congresses.
City planning--Congresses
Princeton subject headings:
Architecture, Modern--21st century--Congresses.
Architecture--Political aspects--Congresses.
Art and architecture--Congresses.
City planning--Congresses.