- Bullock, Cheri Jean1
- Caceres, Oscar1
- Dryden, James, 1863 1
- Fox, F. E. (Frank Elmer), 1889 1
- Hermes, J. C. (James C.)1
- Kable, George W. (George Wallace), 1888 1
- Kalberg, Erick Ronald1
- Lunn, A. G. (Alfred Gunn), 1883 1
- Ngam, Joe Eric Tosah1
- Oregon Agricultural College. Experiment Station1
- Oregon Agricultural College. Extension Service1
- Oregon State Agricultural College. Agricultural Experiment Station1
- Oregon State College. Agricultural Experiment Station1
- Oregon State University. Extension Service1
- Pacific Northwest Cooperative Extension1
- Parker, Jesse Elmer, 1911 1
- Parlour, James Wilson1
- Rachapaetayakom, Prateap1
- University Of Idaho. Extension1
- Washington State University. Extension1