- Oregon State University. Extension Service[remove]2,032
- United States. Department Of Agriculture112
- Pacific Northwest Cooperative Extension102
- Washington State University. Cooperative Extension102
- Oregon State University. Cooperative Extension Service77
- University Of Idaho. Cooperative Extension Service75
- Stebbins, Robert L.59
- Karow, Russell S.49
- Youngberg, Harold Wayne, 1929 46
- Fisher, Glenn C.41
- Hannaway, D. B.41
- Morrow, Alice Mills39
- Mansour, N. S.38
- Washington State University. Extension38
- University Of Idaho. Cooperative Extension System35
- Mcguire, William S.34
- Weber, Bruce A.33
- Bedell, Thomas E.32
- Zimmerman, Martin (Martin Joseph)32
- Mcneilan, Ray A.31