- Oregon State University. Agricultural Experiment Station[remove]1,225
- Mack, H. J.63
- Oregon State University. Malheur Experiment Station56
- Baggett, James R.55
- Frazier, W. A.45
- United States. Agricultural Research Service40
- Columbia Basin Agricultural Research Center38
- United States. Agency For International Development37
- Boersma, L.28
- Oregon State University. Extension Service28
- Crowell, H. H.26
- International Maize And Wheat Improvement Center24
- 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
- Ralston, A. T. (Allen Thurman), 1915 15
- Varseveld, George15