- Oregon State University. Extension Service34
- Oregon State University. Agricultural Experiment Station28
- U.S. International Biological Program. Coniferous Forest Biome27
- University Of Washington24
- Oregon State College. Extension Service15
- Oregon State University. Department Of Oceanography15
- Oregon State University. College Of Business14
- Oregon State University. College Of Forestry14
- Oregon State University. School Of Business11
- Hulting, Andrew Gerald10
- Oregon. Fish Commission9
- Hopkins, A. D. (Andrew Delmar), 1857 19488
- Oregon State University. Department Of Forest Products8
- Oregon Agricultural College. Experiment Station7
- Pearcy, William G.7
- Adamus, Paul R.6
- Burns, John William, 1949 6
- Dyrness, C. T.6
- Flowers, Michael Darrell, 1971 6
- Hawk, Glenn M.6