Columbia subject headings:
Architecture--France--History--20th century--Congresses.
Courthouses--France--Congresses.
Harvard subject headings:
Architecture--France--History--20th century--Congresses.
Courthouses--France--Congresses.
Courthouses--France--Design and construction.
Public architecture--France.
Princeton subject headings:
Architecture--France--20th century--Congresses.
Courthouses--France--Congresses.