- Oregon State University. Agricultural Experiment Station656
- Oregon State College. Agricultural Experiment Station99
- United States. Agricultural Research Service34
- Columbia Basin Agricultural Research Center33
- Oregon State University. Malheur Experiment Station26
- United States. Agency For International Development25
- Boersma, L.22
- International Maize And Wheat Improvement Center18
- Central Oregon Agricultural Research Center14
- Adair, John, 1927 13
- Davidson, T. P.13
- Eastern Oregon Agricultural Research Center13
- Mason, Robert George13
- Davis, George B. (George Balfour), 1915 12
- Oldfield, J. E., 1921 12
- Ralston, A. T. (Allen Thurman), 1915 12
- Stout, Floyd Madison, 1931 12
- United States. Department Of Agriculture11
- United States. Weather Bureau11
- Istok, Jonathan D.10