Columbia subject headings:
Cities and towns--France--History--Congresses.
Sociology, Urban--Europe--History--Congresses.
Sociology, Urban--France--History--Congresses.
Harvard subject headings:
Cities and towns--France--History--Congresses.
Sociology, Urban--Europe--History--Congresses.
Sociology, Urban--France--History--Congresses.
Princeton subject headings:
Cities and towns--France--History--Congresses.
Sociology, Urban--Europe--History--Congresses.
Sociology, Urban--France--History--Congresses.