- Forest Products Laboratory (U.S.)1,627
- Oregon State University. Agricultural Experiment Station680
- United States. Bureau Of Land Management371
- Klamath Falls Resource Area363
- United States. Forest Service. Northern Region. State & Private Forestry195
- Oregon State University. Forest Research Laboratory184
- U.S. International Biological Program. Coniferous Forest Biome184
- Oregon State University. Extension Service182
- University Of Washington157
- Oregon State College. Agricultural Experiment Station100
- United States. Forest Service. Northern Region81
- Mcgregor, Mark D.61
- Fobes, E. W.58
- Oregon State University. Water Resources Research Institute55
- James, Robert L.53
- Fleischbein, Jane51
- Norris, Charles, B. (Charles Brazer), 1894 51
- Huyer, Adriana, 1945 47
- Oregon. Fish Commission44
- Browne, F. L. (Frederick Lincoln), 1895 43