Columbia subject headings:
Harvard subject headings:
Arbeitsgruppe für maritime und limnische Archäologie--Congresses.
Europe, Northern--Antiquities--Congresses.
Excavations (Archaeology)--Europe, Northern--Congresses.
Underwater archaeology--Europe, Northern--Congresses.
Underwater archaeology--Germany--History--Congresses.
Princeton subject headings:
Arbeitsgruppe für maritime und limnische Archäologie--History--Congresses.
Underwater archaeology--Baltic Sea--History--Congresses.
Underwater archaeology--Germany--Schleswig-Holstein--History--Congresses.
Underwater archaeology--North Sea--History--Congresses.