- Oregon State University. Agricultural Experiment Station[remove]451
- Columbia Basin Agricultural Research Center38
- United States. Agricultural Research Service34
- Oregon State University. Extension Service23
- Oregon State University. Malheur Experiment Station23
- Central Oregon Agricultural Research Center16
- Klamath County (Or.)13
- Oregon State University. Klamath Agricultural Experiment Station13
- Ralston, A. T. (Allen Thurman), 1915 12
- Davidson, T. P.10
- Baggett, James R.9
- Besse, Ralph S. (Ralph Stephen), 1887 8
- Crowell, H. H.8
- Frazier, W. A.8
- Mack, H. J.8
- Southern Oregon Agricultural Experiment Station7
- Pumphrey, F. V. (Floyd Vance)6
- Taylor, Norton O.6
- Perry, Gregory M.5
- Bullock, Richard M. (Richard Melvin), 1918 4