Columbia subject headings:
Celtic antiquities.
Celts--Wales--History.
England--Antiquities, Celtic.
England--Antiquities, Roman.
Wales--Antiquities, Celtic.
Wales--Antiquities, Roman.
Harvard subject headings:
Celtic antiquities.
Celts--Wales--History.
England--Antiquities, Celtic.
England--Antiquities, Roman
Wales--Antiquities, Celtic.
Wales--Antiquities, Roman
Princeton subject headings:
Celtic antiquities--Congresses.
Civilization, Celtic--Congresses.
Classical antiquities--Congresses.
Excavations (Archaeology)--Europe--Congresses.
Iron age--Europe--Congresses.