Columbia subject headings:
Harvard subject headings:
Geography
Hydraulic engineering
Physical geography
Political science
Pollution.
Regional planning
Water resources development--Middle East--Congresses.
Water rights--Jordan River Valley--Congresses.
Water-supply--Jordan River Valley--International cooperation--Congresses.
Water-supply--Political aspects--Jordan River Valley--Congresses.
Water-supply--Political aspects--Middle East--Congresses.
Princeton subject headings:
Water rights--Jordan River Valley--Congresses.
Water-supply--Jordan River Valley--International cooperation--Congresses.
Water-supply--Political aspects--Jordan River Valley--Congresses.