Columbia subject headings:
Cities and towns, Medieval--England--Congresses.
Cities and towns, Medieval--Wales--Congresses.
City planning--England--History--Congresses.
City planning--Wales--History--Congresses.
Harvard subject headings:
Cities and towns, Medieval--England--Congresses.
Cities and towns, Medieval--Wales--Congresses.
City planning--England--History--Congresses.
City planning--Wales--History--Congresses.
Princeton subject headings:
Cities and towns, Medieval--England--Congresses.
Cities and towns, Medieval--Wales--Congresses.
City planning--England--History--Congresses.
City planning--Wales--History--Congresses.