- Oregon State University49
- Oregon State University. Agricultural Experiment Station30
- Oregon State University. Extension Service25
- Et Al.14
- Oregon State University. Forest Research Laboratory14
- Oregon State College. Agricultural Experiment Station12
- Oregon State University. College Of Forestry12
- United States. Agricultural Research Service9
- Webster, Janet G.9
- Lane County Pioneer Historical Society (Or.)8
- Putman, Nathan F.8
- Roby, Daniel D.8
- United States. Forest Service8
- Alphandary, Elisa7
- Arvidson, Rheannon7
- Bangs, Nathan Lawrence Bailey7
- Bono, Gina7
- Chipman, Bridget7
- Collis, Ken7
- Corkery, Andrew7