Columbia subject headings:
Dublin (Ireland)--Antiquities.
Ireland--Antiquities.
Northmen--Ireland--Dublin.
Harvard subject headings:
Architecture, Medieval--Ireland--Dublin.
Architecture, Viking--Ireland--Dublin.
Dublin (Ireland)--Antiquities.
Ireland--Antiquities
Northmen--Ireland--Dublin.
Princeton subject headings:
Dwellings--Ireland--Dublin--History.
Excavations (Archaeology)--Ireland--Dublin.
Northmen--Ireland--Dublin.