Columbia subject headings:
Excavations (Archaeology)--Isle of Man.
Isle of Man--Antiquities--Congresses.
Isle of Man--History--Congresses.
Northmen--Isle of Man--Congresses.
Harvard subject headings:
Human settlements--Isle of Man.
Isle of Man--Antiquities.
Vikings.
Princeton subject headings:
Excavations (Archaeology)--Isle of Man.
Isle of Man--Antiquities--Congresses.
Isle of Man--History--Congresses.
Northmen--Isle of Man--Congresses.