- Oregon State University55
- Oregon State University. College Of Forestry42
- Wirth, Andrea A.33
- Wheeler, Patricia A.31
- Oregon State University. Extension Service30
- Huyer, Adriana, 1945 29
- Fleischbein, Jane28
- Smith, Robert L. (Robert Lloyd), 1935 28
- Kosro, P. Michael, 1951 25
- Oregon State University. Agricultural Experiment Station25
- Peterson, W. T.20
- Barth, Jack A.19
- Hatfield Marine Science Center16
- Avery, Bonnie E.15
- Sherr, Barry F.15
- United States. Agricultural Research Service15
- Adamus, Paul R.14
- Oregon State University. Forest Research Laboratory14
- Risien, Julie14
- Sherr, Evelyn14