Columbia subject headings:
Underwater archaeology--Western Mediterranean--Congresses.
Western Mediterranean--Antiquities--Congresses.
Harvard subject headings:
Coast changes--Mediterranean Region--Congresses.
Harbors--Mediterranean Region--History--To 1500--Congresses.
Underwater archaeology--Mediterranean Region--Congresses.
Underwater archaeology--Western Mediterranean--Congresses.
Western Mediterranean--Antiquities--Congresses.
Princeton subject headings: