Columbia subject headings:
Architecture--Exhibitions--History--20th century--Sources.
Le Corbusier, 1887-1965--Exhibitions.
Ragghianti, Carlo Ludovico--Congresses.
Harvard subject headings:
Architecture, Modern--20th century--Congresses
Architecture, Modern--20th century--Exhibitions
Architecture--History--Sources--Congresses.
Architecture--History--Sources--Exhibitions.
Le Corbusier, 1887-1965--Congresses.
Le Corbusier, 1887-1965--Exhibitions.
Ragghianti, Carlo Ludovico--Congresses.
Ragghianti, Carlo Ludovico--Exhibitions.
Princeton subject headings:
Architecture, Modern--20th century--Congresses.
Architecture, Modern--20th century--Exhibitions.
Architecture--History--20th century--Sources--Congresses.
Architecture--History--20th century--Sources--Exhibitions.
Le Corbusier, 1887-1965--Congresses.
Le Corbusier, 1887-1965--Exhibitions.
Ragghianti, Carlo Ludovico--Congresses.
Ragghianti, Carlo Ludovico--Exhibitions.