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- Food and Agriculture Organization of the United Nations 66 results
- New Zealand Forest Service 40 results
- United States. Forest Service 28 results
- Dumbarton Oaks Colloquium on the History of Landscape Architecture 21 results
- University of Alaska. Geophysical Institute 21 results
- International Union of Forestry Research Organizations 17 results
- Southeastern Forest Experiment Station (Asheville, N.C.) 16 results
- Northeastern Forest Experiment Station (Radnor, Pa.) 15 results
- Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.) 15 results
- Center for International Forestry Research 14 results
- Southern Forest Experiment Station (New Orleans, La.) 14 results
- British Commonwealth Forestry Conference 13 results
- Engineering Sciences Data Unit 13 results
- FAO Regional Office for Asia and the Pacific 12 results
- Great Britain. Forestry Commission 12 results
- International Tropical Timber Organization 12 results
- Dumbarton Oaks 11 results
- Pacific Northwest Forest and Range Experiment Station (Portland, Or.) 11 results
- Society of American Foresters 11 results
- British Society for Plant Pathology 10 results
- Colfer, Carol J. Pierce 9 results
- IIED Forestry and Land Use Programme 9 results
- Intermountain Forest and Range Experiment Station (Ogden, Utah) 9 results
- Jekyll, Gertrude, 1843-1932 9 results
- Kiruna Geofysiska Observatoriet (Sweden) 9 results
- Lal, R. 9 results
- National Water and Soil Conservation Organisation (N.Z.) 9 results
- New Zealand. Ministry of Forestry 9 results
- Building Research Establishment 8 results
- Conan, Michel 8 results
- Forest Research Institute (N.Z.) 8 results
- International Atomic Energy Agency 8 results
- New Zealand Geological Survey 8 results
- New Zealand. Dept. of Scientific and Industrial Research 8 results
- American Fisheries Society 7 results
- C.A.B. International 7 results
- Food and Agriculture Organization of the United Nations. Forestry Division 7 results
- Forest Products Laboratory (U.S.) 7 results
- Hillel, Daniel 7 results
- MacDougall, Elisabeth B. 7 results
- New Zealand Logging Industry Research Association 7 results
- Olmsted, Frederick Law, 1822-1903 7 results
- Pyne, Stephen J., 1949- 7 results
- United Nations Environment Programme 7 results
- United States. Forest Service. Southern Research Station 7 results
- World Bank 7 results
- American Chemical Society. Division of Pesticide Chemistry 6 results
- Australia. Forestry and Timber Bureau 6 results
- Baumgartner, David M. 6 results
- British Crop Protection Council 6 results more…