- Oregon State University. Agricultural Experiment Station20
- Yamada, Sylvia Behrens19
- Randall, Andrea17
- Oregon State University. Extension Service15
- Oregon State University. College Of Forestry13
- Hatfield Marine Science Center11
- Oregon State College. Agricultural Experiment Station11
- Webster, Janet G.9
- Farrar, J. Daniel8
- Gaines, Eleanor P.8
- Lauten, David J.8
- Oregon State University. Forest Research Laboratory8
- Powers, W. L. (Wilbur Louis), 18878
- United States. Forest Service8
- Wells, Gail8
- Brown, George7
- Gilmont, Susan7
- Kotaich, Adam A.7
- Markland, Mary7
- Oregon Agricultural College. Experiment Station7