Columbia subject headings:
Architecture, Modern--20th century--Exhibitions--History--Congresses.
Architecture--Europe--History--20th century--Exhibitions--History--Congresses.
Architecture--United States--History--20th century--Exhibitions--History--Congresses.
Harvard subject headings:
Architecture, Modern--20th century--Exhibitions--History--Congresses.
Architecture--Europe--History--20th century--Exhibitions--Congresses.
Architecture--Europe--History--20th century--Exhibitions--History--Congresses.
Architecture--United States--History--20th century--Exhibitions--Congresses.
Architecture--United States--History--20th century--Exhibitions--History--Congresses.
Exhibitions--France--Nancy--History--20th century--Congresses.
Modern movement (Architecture)--Exhibitions--History--Congresses.
Princeton subject headings:
Architecture, Modern--20th century--Exhibitions--History--Congresses.
Architecture--Europe--History--20th century--Exhibitions--History--Congresses.
Architecture--United States--History--20th century--Exhibitions--History--Congresses.