Columbia subject headings:
Excavations (Archaeology)--Ireland--Dublin.
Harvard subject headings:
Archaeology, Medieval--Ireland--Dublin.
Dublin (Ireland)--Antiquities.
Excavations (Archaeology)--Ireland--Dublin
Harbors--Ireland--Dublin--History.
Harbors--Ireland--Dublin.
Princeton subject headings:
Archaeology, Medieval--Ireland--Dublin.
Dublin (Ireland)--Antiquities.
Excavations (Archaeology)--Ireland--Dublin.
Harbors--Ireland--Dublin--History.