- Oregon State University. Extension Service234
- Oregon State University172
- Oregon State University. Agricultural Experiment Station139
- Brophy, Laura S.82
- Ewald, Michael J.76
- Oregon State University. Forest Research Laboratory63
- Oregon State University. College Of Forestry61
- Et Al.40
- Gamroth, Michael J.40
- Chelton, Dudley B.34
- Weeks, Tom33
- Kent, Michael L.32
- Kosro, P. Michael, 1951 32
- Oregon State University. Engineering Experiment Station32
- Behrenfeld, Michael J.30
- Freitag, Michael29
- Brunner, Jay F.27
- Doerr, Michael D.27
- Olsen, Jeff L.27
- United States. Agricultural Research Service27