- Oregon State University. Extension Service374
- Pscheidt, Jay W.48
- Peachey, Ronald Edward30
- Schmall, Vicki L.28
- Olsen, Jeff L.26
- Pacific Northwest Cooperative Extension24
- Washington State University. Cooperative Extension22
- United States. Department Of Agriculture20
- University Of Idaho. Cooperative Extension Service18
- Bailey, Cindee M.17
- Morrow, Alice Mills17
- Washington State University. Extension17
- University Of Idaho. Extension14
- Walton, Vaughn M.14
- Peachey, Ed12
- Skinkis, Patricia A.12
- Bowman, Sally R., 1949 10
- Castagnoli, S.10
- Fisher, Glenn C.9
- Bedell, Thomas E.6