- Oregon State University9
- Oregon State University. Extension Service8
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club7
- Hall, Jim5
- Institute For Natural Resources5
- Oregon State College. Extension Service5
- Chen, Jiquan4
- Gray, Andrew4
- North, Malcolm4
- Oakley, Brian4
- Oregon State University. Agricultural Experiment Station4
- Bowman, Sally R., 1949 3
- Erickson, Heather3
- Gaines, Eleanor P.3
- Izzo, Antonio3
- Johnson, Dale3
- Kotaich, Adam A.3
- Lane County Historical Society (Or.)3
- Lauten, David J.3
- Ma, Siyan3