Columbia subject headings:
Architecture, Modern--20th century--Congresses.
Le Corbusier, 1887-1965--Congresses.
Harvard subject headings:
Architecture, Modern--20th century--Congresses
Le Corbusier, 1887-1965--Congresses.
Princeton subject headings:
Architecture, Modern--20th century--Congresses.
Le Corbusier, 1887-1965--Congresses.