- Oregon State University. Agricultural Experiment Station51
- Oregon State University. Klamath Basin Research And Extension Center25
- Charlton, Brian A.18
- Roseberg, Richard J.13
- Shuck, Rachel A.13
- United States. Agricultural Research Service11
- Central Oregon Agricultural Research Center10
- Columbia Basin Agricultural Research Center10
- Hart, John M. (John Mervyn), 1947 10
- Oregon State University. Malheur Experiment Station9
- Horneck, Donald Arthur6
- Skinkis, Patricia A.6
- Allen, Nancy5
- Eastern Oregon Agricultural Research Center5
- Klamath County (Or.)5
- Oregon State University. Klamath Agricultural Experiment Station5
- Walton, Vaughn M.5
- Gardner, Ernest Hugh4
- Jackson, T. L. (Thomas Lloyd), 1922 4
- Lutcher, L. K. (Lawrence K.)4