- Oregon State University. Extension Service52
- United States. Department Of Agriculture[remove]52
- Washington State University. Cooperative Extension42
- Pacific Northwest Cooperative Extension39
- University Of Idaho. Cooperative Extension System27
- University Of Idaho. Cooperative Extension Service14
- Burrill, L. C.12
- University Of Idaho. Extension10
- Washington State University. Extension10
- Fitzsimmons, Jim P.7
- Schmall, Vicki L.6
- Stebbins, Robert L.4
- Aldrich Markham, Susan3
- Hermes, J. C. (James C.)3
- Landgren, Chal G.3
- Raab, Carolyn A.3
- Fisher, Glenn C.2
- Hilderbrand, Kenneth S.2
- Kershaw, Nancy2
- Leno, Janice2