Columbia subject headings:
Architecture and society--History--20th century--Congresses.
Architecture, Modern--20th century--Themes, motives--Congresses.
Harvard subject headings:
Architecture and society--History--20th century--Congresses.
Architecture, Modern--20th century--Themes, motives--Congresses
Architecture, Postmodern--Congresses.
Architecture--Aesthetics--Congresses.
Princeton subject headings:
Architecture and society--History--20th century--Congresses.
Architecture, Modern--20th century--Themes, motives--Congresses.