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- Food and Agriculture Organization of the United Nations1,118
- United States. Soil Conservation Service1,108
- United States. Forest Service711
- United States282
- United States. Department of Agriculture278
- U.S. Fish and Wildlife Service258
- United States. Agricultural Research Service218
- Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)209
- International Rice Research Institute151
- Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)145
- United States. National Park Service113
- Texas Agricultural Experiment Station106
- Northeastern Forest Experiment Station (Radnor, Pa.)96
- United States. Agency for International Development80
- British Columbia. Forest Science Program78
- Bach, Johann Sebastian, 1685-175074
- International Union of Forestry Research Organizations73
- International Union for Conservation of Nature and Natural Resources68
- Mozart, Wolfgang Amadeus, 1756-179167
- Pacific Northwest Forest and Range Experiment Station (Portland, Or.)66