Columbia subject headings:
Harvard subject headings:
Cities and towns--Europe--Historiography--Congresses.
Cities and towns--Europe--History--Congresses
City and town life--Europe--Historiography--Congresses.
City and town life--Europe--History--Congresses.
Europe--Historiography--Congresses.
Sociology, Urban--Europe--History--Congresses.
Princeton subject headings:
Cities and towns--Europe--Historiography--Congresses.
Cities and towns--Europe--History--Congresses.
City and town life--Europe--Historiography--Congresses.
City and town life--Europe--History--Congresses.
Europe--Historiography--Congresses.
Sociology, Urban--Europe--History--Congresses.