Columbia subject headings:
Harvard subject headings:
Excavations (Archaeology)--Mediterranean Region--Congresses
Water resources development--Mediterranean Region--History--To 1500--Congresses.
Water-supply engineering--Mediterranean Region--History--To 1500--Congresses.
Princeton subject headings:
Excavations (Archaeology)--Mediterranean Region--Congresses.
Water resources development--Mediterranean Region--History--To 1500--Congresses.
Water-supply engineering--Mediterranean Region--History--To 1500--Congresses.
Water-supply--Mediterranean Region--Management--History--Congresses.