Columbia subject headings:
Cities and towns--Great Britain.
Great Britain--Antiquities, Roman--Congresses.
Romans--England--Congresses.
Harvard subject headings:
Cities and towns, Ancient--Great Britain--Congresses.
Great Britain--Antiquities, Roman--Congresses.
Great Britain--History--Roman period, 55 B.C.-449 A.D.--Congresses.
Romans--Great Britain--Congresses.
Princeton subject headings:
Cities and towns, Ancient--Great Britain--Congresses.
Great Britain--Antiquities, Roman--Congresses.
Great Britain--History--Roman period, 55 B.C.-449 A.D.--Congresses.
Romans--Great Britain--Congresses.