Columbia subject headings:
Cities and towns--Europe--Congresses.
City planning--Europe--Congresses.
Urban renewal--Europe--Congresses.
Urbanization--Europe--Congresses.
Harvard subject headings:
Architecture--Europe--Conservation and restoration--Congresses.
City planning--Europe--Congresses
Urban renewal--Europe--Congresses.
Princeton subject headings:
Cities and towns--Europe--Congresses.
City planning--Europe--Congresses.
Urban renewal--Europe--Congresses.
Urbanization--Europe--Congresses.