Publisher
- Carey Printing Company 2
- Erie Litho. & Ptg. Co. 2
- Fawcett Publications, Inc. 2
- H.C. Miner Litho. Co. 2
- Illinois Printing Co. 2
- International Desalination Association 2
- Jerusalem Post Press 2
- Matthews-Northrup Company 2
- Middle East Economic Digest Ltd. 2
- Niagara Lithograph Co. 2
- Promenade 2
- Rusling Wood, Litho. 2
- Thomsen-Ellis Company 2
- United States. Joint Publications Research Service 2
- American Association for the Advancement of Science 1
- American Society of Civil Engineers 1
- Arab Scientific Institute for Research and Transfer of Technology 1
- California. Department of Water Resources 1
- Claremont Research and Publications (Organization) 1
- Council on Foreign Relations 1