- Oregon Agricultural College. Experiment Station31
- Potter, E. L. (Ermine Lawrence), 1884 7
- Oregon State Agricultural College. Agricultural Experiment Station6
- Oregon Agricultural College. Extension Service5
- Withycombe, Robert, 1880 4
- Jardine, James T. (James Tertius), 1881 19543
- Schuster, C. E. (Carl Ephraim), 1889 3
- Bell, James Carscallen, 1881 2
- Dryden, James, 1863 2
- Lindgren, H. A. (Harry Arthur), 1888 2
- Lockley, Fred, 1871 2
- Lovett, A. L. (Arthur Lester), 1885 19242
- Meany, Edmond S. (Edmond Stephen), 1862 19352
- Murneek, A. E. (Andrew Edward), 1888 2
- Oregon Agricultural College. Alumni Association2
- Oregon State College. Extension Service2
- Powers, W. L. (Wilbur Louis), 18872
- Scudder, H. D. (Henry Desborough), 1881 2
- Shattuck, Obil, 1885 2
- Ballard, Frank Llewellyn1