Columbia subject headings:
Cities and towns--Europe--History--Congresses.
City planning--Europe--Congresses.
Urbanization--Europe--History--Congresses.
Harvard subject headings:
Cities and towns--Europe--History--Congresses
City planning--Europe--History--Congresses.
Sociology, Urban--Europe--History--Congresses.
Sports tournaments--Europe--History--Congresses.
Princeton subject headings:
Cities and towns--Europe--History--Congresses.
City planning--Europe--History--Congresses.
Sociology, Urban--Europe--History--Congresses.
Sports tournaments--Europe--History--Congresses.