- Oregon State University. Agricultural Experiment Station[remove]143
- Oregon State University. Malheur Experiment Station43
- Klamath County (Or.)14
- Oregon State University. Klamath Agricultural Experiment Station14
- Central Oregon Agricultural Research Center10
- Columbia Basin Agricultural Research Center10
- United States. Agricultural Research Service9
- Oregon State University. Extension Service7
- Boersma, L.3
- Rykbost, K. A.3
- Adams, Burton Warren2
- Armstrong, Judith M.2
- Central Oregon Agricultural Experiment Station2
- Cross, Timothy L.2
- Eastern Oregon Agricultural Research Center2
- Fisher, R. Barry, 1928 20012
- Moore, James A. (James Allan), 1939 2
- Adams, Richard M.1
- Arthur, Louise M.1
- Bond, Carl E.1