- Landgren, Chal G.18
- Oregon State University. Extension Service18
- Bondi, Michael C.6
- Ketchum, Lynn5
- Pacific Northwest Cooperative Extension4
- United States. Department Of Agriculture4
- Washington State University. Cooperative Extension3
- Elwood, Norman E.2
- Fletcher, Richard A.2
- University Of Idaho. Cooperative Extension Service2
- University Of Idaho. Extension2
- Washington State University. Extension2
- Barney, Danny L.1
- Chastagner, Gary A.1
- Douglass, Bernard S.1
- Duddles, Ralph E.1
- Emmingham, William H.1
- Gregory, S. R. (Susie R.)1
- Grotta, Amy T.1
- Hart, John M. (John Mervyn), 1947 1