Columbia subject headings:
Africa, North--Strategic aspects.
Middle East--Strategic aspects.
Water resources development--Political aspects--Africa, North.
Water resources development--Political aspects--Middle East.
Water-supply--Political aspects--Africa, North.
Water-supply--Political aspects--Middle East.
Harvard subject headings:
Africa, North--Strategic aspects.
Middle East--Strategic aspects
Water resources development--Political aspects--Africa, North.
Water resources development--Political aspects--Middle East.
Water-supply--Political aspects--Africa, North.
Water-supply--Political aspects--Middle East
Princeton subject headings: