Columbia subject headings:
Hydraulic engineering--Mediterranean Region--History--Congresses.
Mediterranean Region--Antiquities--Congresses.
Water-supply--Mediterranean Region--Management--History--Congresses.
Harvard subject headings:
Hydraulic engineering--Mediterranean Region--History--Congresses.
Mediterranean Region--Antiquities--Congresses.
Water-supply--Mediterranean Region--Management--History--Congresses.
Princeton subject headings:
Hydraulic engineering--Mediterranean Region--History--Congresses.
Mediterranean Region--Antiquities--Congresses.
Water-supply--Mediterranean Region--Management--History--Congresses.