- Oregon State University. Extension Service158
- Oregon State University. Agricultural Experiment Station120
- Oregon State University119
- Oregon State University. College Of Forestry52
- Chelton, Dudley B.38
- Et Al.35
- Oregon State University. Forest Research Laboratory33
- Freitag, Michael31
- Kosro, P. Michael, 1951 31
- Weeks, Tom31
- Institute For Natural Resources28
- Oregon State University. Engineering Experiment Station28
- Kent, Michael L.27
- Hatfield Marine Science Center26
- Bondi, Michael C.24
- United States. Agricultural Research Service22
- Wheeler, Patricia A.22
- Huyer, Adriana, 1945 21
- Boock, Michael20
- Fletcher, Richard A.19