- Oregon State University. Extension Service120
- Pscheidt, Jay W.69
- Oregon State College. Agricultural Experiment Station66
- Peachey, Ronald Edward31
- Peachey, Ed27
- Olsen, Jeff L.23
- Walton, Vaughn M.23
- Mote, Don C. (Don Carlos), 1887 17
- Oregon State University. Agricultural Experiment Station17
- Wiman, Nik G.17
- Skinkis, Patricia A.15
- Castagnoli, S.13
- Dreves, Amy J.11
- Kaiser, Clive11
- Oregon Agricultural College. Experiment Station11
- Fisher, Glenn C.10
- Mcwhorter, Frank, 1896 198510
- Pscheidt, Jay William10
- Baggett, James R.8
- Bouquet, A. G. B. (Arthur George Bristow), 1885 7