Columbia subject headings:
Architecture, Modern--20th century--Conservation and restoration--France--Congresses.
Modern movement (Architecture)--France--Congresses.
Harvard subject headings:
Architecture, Modern--20th century--Conservation and restoration--France--Congresses.
Modern movement (Architecture)--France--Congresses.
Princeton subject headings:
Architecture--Conservation and restoration--France.
Architecture--France--History--20th century.
Modern movement (Architecture)--France--Congresses.