Columbia subject headings:
Israel--Relations--Lebanon.
Lebanon--Relations--Israel.
Water-supply--Israel.
Water-supply--Lebanon.
Water-supply--Political aspects--Lebanon.
Harvard subject headings:
Israel--Relations--Lebanon.
Lebanon--Relations--Israel.
Water-supply--Israel
Water-supply--Lebanon.
Water-supply--Political aspects--Lebanon.
Princeton subject headings:
Israel--Relations--Lebanon.
Lebanon--Relations--Israel.
Water-supply--Israel.
Water-supply--Lebanon.
Water-supply--Political aspects--Lebanon.