- Oregon State University181
- Oregon State University. Extension Service69
- Oregon State University. Agricultural Experiment Station48
- Oregon State University. College Of Forestry43
- U.S. International Biological Program. Coniferous Forest Biome28
- Et Al.26
- University Of Washington24
- Brewer, Linda J.21
- Oregon State University. Department Of Horticulture21
- Andrews, N. (Nick)19
- Hatfield Marine Science Center19
- Karplus, P. Andrew19
- Hopkins, A. D. (Andrew Delmar), 1857 194818
- Azarenko, A. N. (Anita Nina)17
- Bondi, Michael C.17
- Burt, Lawrence A.17
- Castagnoli, S.17
- Chilton, Mike17
- Cook, Thomas W.17
- Fletcher, Richard A.17