- Oregon State University125
- Oregon State University. Forest Research Laboratory48
- Oregon State University. Extension Service44
- Oregon State University. Agricultural Experiment Station36
- Morrell, Jeffrey J.28
- Oregon State University. College Of Forestry20
- Oregon Forest Products Laboratory19
- Duncan, Robert A.18
- Graham, R. D. (Robert D.)17
- Et Al.16
- Brodeur, Richard D.15
- Randall, Andrea15
- Yamada, Sylvia Behrens15
- Graham, Robert D.14
- Hatfield Marine Science Center13
- Rothwell, Gar W.13
- United States. Forest Service13
- Stockey, Ruth A.12
- Graham, David W.11
- Oregon Agricultural College. Extension Service11