Columbia subject headings:
Water conservation--Arabian Peninsula.
Water resources development--Arabian Peninsula.
Water resources development--Law and legislation--Arabian Peninsula.
Water-supply--Arabian Peninsula.
Water-supply--Economic aspects--Arabian Peninsula.
Water-supply--Political aspects--Arabian Peninsula.
Harvard subject headings:
Water conservation--Arabian Peninsula.
Water resources development--Arabian Peninsula.
Water resources development--Law and legislation--Arabian Peninsula.
Water-supply--Arabian Peninsula.
Water-supply--Economic aspects--Arabian Peninsula.
Water-supply--Political aspects--Arabian Peninsula.
Princeton subject headings:
Water resources development--Arabian Peninsula.