- Oregon State University. Agricultural Experiment Station[remove]1,181
- Mack, H. J.63
- Baggett, James R.55
- Oregon State University. Malheur Experiment Station47
- Frazier, W. A.45
- United States. Agricultural Research Service41
- Columbia Basin Agricultural Research Center39
- United States. Agency For International Development31
- Oregon State University. Extension Service28
- Crowell, H. H.26
- Boersma, L.23
- International Maize And Wheat Improvement Center18
- Mansour, N. S.18
- Central Oregon Agricultural Research Center17
- Duncan, Andrew A.17
- Klamath County (Or.)17
- Oregon State University. Klamath Agricultural Experiment Station17
- Crabtree, Garvin Dudley15
- Eastern Oregon Agricultural Research Center15
- Ralston, A. T. (Allen Thurman), 1915 15