- Oregon State University. Agricultural Experiment Station1,072
- Oregon State College. Agricultural Experiment Station852
- Oregon Agricultural College. Experiment Station185
- Oregon State Agricultural College. Agricultural Experiment Station164
- Oregon State University. Extension Service93
- Mote, Don C. (Don Carlos), 1887 68
- Mack, H. J.63
- Baggett, James R.55
- Powers, W. L. (Wilbur Louis), 188748
- Mumford, D. Curtis (Dwight Curtis), 1900 46
- Frazier, W. A.45
- United States. Agricultural Research Service42
- Southern Oregon Agricultural Experiment Station41
- Columbia Basin Agricultural Research Center38
- Oregon State College. Engineering Experiment Station33
- Westigard, Peter H.32
- Hartman, Henry, 1889 31
- Oregon State University. Malheur Experiment Station31
- Davis, George B. (George Balfour), 1915 30
- Potter, E. L. (Ermine Lawrence), 1884 30