Publisher
- United States. Congress. Office of Technology Assessment 5
- International Commission on Irrigation and Drainage 4
- Turkey. Basın-Yayın ve Enformasyon Genel Müdürlüğü 4
- United Nations Environment Programme 4
- Claremont Research and Publications (Organization) 3
- IC Publications 3
- International Law Association 3
- Israel. Miśrad ha-ḥaḳlaʼut 3
- United States. Agency for International Development 3
- Arab Report and Record 2
- Economic Development Institute (Washington, D.C.) 2
- Geological Survey (U.S.) 2
- Histadrut 2
- International Monetary Fund 2
- Kollek and Sons Ltd. 2
- Longman (Firm) 2
- Pergamon Press (Oxford, England) 2
- Sudan. Wizārat al-Iʻlām wa-al-Thaqāfah 2
- Thomas Telford (Firm) 2
- United States. Bureau of Reclamation 2