- Oregon State University. Agricultural Experiment Station[remove]339
- Oregon State University. Malheur Experiment Station38
- United States. Agricultural Research Service23
- Oregon State University. Extension Service22
- Columbia Basin Agricultural Research Center21
- Central Oregon Agricultural Research Center15
- Boersma, L.14
- Klamath County (Or.)9
- Oregon State University. Klamath Agricultural Experiment Station9
- Shock, Clinton C.7
- United States. Agency For International Development7
- Adair, John, 1927 6
- Korzan, Gerald E. (Gerald Earl)6
- Stout, Floyd Madison, 1931 6
- Baggett, James R.5
- Eastern Oregon Agricultural Research Center5
- Harward, M. E.5
- Lindstrom, F. T.5
- Mack, H. J.5
- Oldfield, J. E., 1921 5