- Oregon State University. Extension Service[remove]4,109
- Pacific Northwest Cooperative Extension198
- United States. Department Of Agriculture143
- Washington State University. Cooperative Extension127
- Washington State University. Extension106
- University Of Idaho. Cooperative Extension Service101
- University Of Idaho. Extension93
- Pscheidt, Jay W.87
- Oregon State University. Cooperative Extension Service77
- Olsen, Jeff L.68
- Stebbins, Robert L.63
- Fisher, Glenn C.56
- Karow, Russell S.56
- Hart, John M. (John Mervyn), 1947 51
- Youngberg, Harold Wayne, 1929 50
- Mansour, N. S.49
- Mcneilan, Ray A.49
- Morrow, Alice Mills49
- Peachey, Ronald Edward47
- Strik, Bernadine C. (Bernadine Cornelia), 1962 47