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- Law Reform Commission of Canada 19 results
- United States. Forest Service 14 results
- Geological Survey (U.S.) 10 results
- National Science Foundation (U.S.) 9 results
- Center for Environmental Research Information (U.S.) 8 results
- Cold Regions Research and Engineering Laboratory (U.S.) 8 results
- United States. Federal Highway Administration 7 results
- Center of Military History 6 results
- United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch 6 results
- Applied Technology Council 5 results
- Canada. Dept. of Fisheries and Oceans 5 results
- Canada. Human Resources Development Canada 5 results
- SAC Joint Venture 5 results
- United States. Dept. of State 5 results
- United States. Federal Emergency Management Agency 5 results
- California Universities for Research in Earthquake Engineering 4 results
- Canada. Royal Commission on Aboriginal Peoples 4 results
- Powell, Robert L. 4 results
- SAC Joint Venture. Guidelines Development Committee 4 results
- Saunders, Phillip C. (Phillip Charles), 1966- 4 results
- Smithsonian Institution 4 results
- Structural Engineers Association of California 4 results
- United States. Bureau of the Census 4 results
- United States. Marine Mammal Commission 4 results
- United States. National Bureau of Standards 4 results
- United States. National Environmental Satellite, Data, and Information Service 4 results
- Buzas, Martin A. 3 results
- Canada 3 results
- Canada. Dept. of Justice 3 results
- Canadian Forest Service 3 results
- Coastal Engineering Research Center (U.S.) 3 results
- Economic Council of Canada 3 results
- Forest Products Laboratory (U.S.) 3 results
- Freer Gallery of Art 3 results
- Lang, Michael A. 3 results
- Lyndon B. Johnson Space Center 3 results
- Risk Reduction Engineering Laboratory (U.S.) 3 results
- United States Board on Geographic Names 3 results
- United States. Head Start Bureau 3 results
- United States. National Aeronautics and Space Administration 3 results
- Wright, Thomas L. (Thomas Llewellyn), 1935- 3 results
- Alberts, Fred G. 2 results
- Ames Research Center 2 results
- Behrendt, John C., 1932- 2 results
- Canada Communication Group. Publishing 2 results
- Canada. Indian and Northern Affairs Canada 2 results
- Canada. Office of the Assistant Deputy Registrar General 2 results
- Centre national de la recherche scientifique (France) 2 results
- Council on Environmental Quality (U.S.) 2 results
- Culver, Stephen J. 2 results more…