Awdur
- New Zealand Forest Service 108 canlyniadau
- New Zealand. Department of Lands and Survey 87 canlyniadau
- Food and Agriculture Organization of the United Nations 83 canlyniadau
- South Pacific Commission 58 canlyniadau
- New Zealand. Dept. of Statistics 49 canlyniadau
- New Zealand. Ministry of Fisheries 45 canlyniadau
- United States. Forest Service 43 canlyniadau
- University of Alaska. Geophysical Institute 23 canlyniadau
- Holden, Philip 22 canlyniadau
- Dumbarton Oaks Colloquium on the History of Landscape Architecture 21 canlyniadau
- Avon Fine Prints 20 canlyniadau
- New Zealand. Dept. of Scientific and Industrial Research 18 canlyniadau
- Forest Research Institute (N.Z.) 17 canlyniadau
- International Union of Forestry Research Organizations 17 canlyniadau
- Pacific Islands (Trust Territory). Dept. of Resources and Development. Division of Agriculture 16 canlyniadau
- Southeastern Forest Experiment Station (Asheville, N.C.) 16 canlyniadau
- Alexander Turnbull Library. Endowment Trust 15 canlyniadau
- FAO Regional Office for Asia and the Pacific 15 canlyniadau
- Northeastern Forest Experiment Station (Radnor, Pa.) 15 canlyniadau
- Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.) 15 canlyniadau
- British Commonwealth Forestry Conference 14 canlyniadau
- Center for International Forestry Research 14 canlyniadau
- Great Britain. Forestry Commission 14 canlyniadau
- McCaskill, Lancelot William, 1900- 14 canlyniadau
- National Water and Soil Conservation Organisation (N.Z.) 14 canlyniadau
- New Zealand. Tourist and Publicity Dept 14 canlyniadau
- Orman, Tony, 1937- 14 canlyniadau
- Southern Forest Experiment Station (New Orleans, La.) 14 canlyniadau
- University of Canterbury 14 canlyniadau
- Engineering Sciences Data Unit 13 canlyniadau
- New Zealand 13 canlyniadau
- New Zealand. Ministry of Agriculture and Fisheries 13 canlyniadau
- University of Canterbury. Students' Association 13 canlyniadau
- American Fisheries Society 12 canlyniadau
- International Tropical Timber Organization 12 canlyniadau
- New Zealand. Department of Education 12 canlyniadau
- New Zealand. Dept. of Agriculture 12 canlyniadau
- New Zealand. Ministry of Agriculture and Fisheries. Economics Division 12 canlyniadau
- Royal Forest and Bird Protection Society of New Zealand 12 canlyniadau
- Dumbarton Oaks 11 canlyniadau
- New Zealand Federation of Labour (1937- ) 11 canlyniadau
- New Zealand Logging Industry Research Association 11 canlyniadau
- New Zealand. Ministry of Forestry 11 canlyniadau
- Pacific Northwest Forest and Range Experiment Station (Portland, Or.) 11 canlyniadau
- Society of American Foresters 11 canlyniadau
- Australian International Development Assistance Bureau 10 canlyniadau
- British Society for Plant Pathology 10 canlyniadau
- Cook Islands. Statistics Office 10 canlyniadau
- Forest Engineering Research Institute of Canada. Eastern Division 10 canlyniadau
- Forest Engineering Research Institute of Canada. Western Division 10 canlyniadau rhagor...