Columbia subject headings:
Central business districts--England--Congresses.
City planning--England--Congresses.
City planning--Europe--Case studies--Congresses.
Harvard subject headings:
Central business districts--England--Congresses.
Central business districts--Planning.
City planning--Case studies
City planning--England--London--Congresses.
City planning--Europe--Case studies--Congresses.
Copenhagen (Denmark)
London (England)
Newcastle upon Tyne (England)
Paris (France)
Princeton subject headings:
Central business districts--England--Congresses.
City planning--England--Congresses.
City planning--Europe--Case studies--Congresses.