- Oregon State University. Agricultural Experiment Station161
- Oregon State Agricultural College. Agricultural Experiment Station136
- Oregon Agricultural College. Experiment Station126
- Oregon State University. Extension Service81
- Columbia Basin Agricultural Research Center39
- United States. Agricultural Research Service34
- Oregon State University. Malheur Experiment Station32
- Oregon State College. Agricultural Experiment Station24
- Potter, E. L. (Ermine Lawrence), 1884 24
- Powers, W. L. (Wilbur Louis), 188722
- Besse, Ralph S. (Ralph Stephen), 1887 21
- Central Oregon Agricultural Research Center17
- Karow, Russell S.16
- Robinson, R. H. (Reginald Heber), 1886 16
- Hartman, Henry, 1889 15
- Fitzgerald, Stephen Arthur14
- United States. Agency For International Development14
- Stephen, W. P.13
- Childs, Leroy, 1888 12
- International Maize And Wheat Improvement Center12