Columbia subject headings:
Europe--Antiquities--Congresses.
Excavations (Archaeology)--Europe--Congresses.
Seafaring life--Europe--History--Congresses.
Harvard subject headings:
Boats and boating--Great Britain--History.
Coastal archaeology--Great Britain.
Great Britain--Antiquities.
Seafaring life--Great Britain--History.
Princeton subject headings:
Europe--Antiquities--Congresses.
Excavations (Archaeology)--Europe--Congresses.
Seafaring life--Europe--History--Congresses.