- Oregon State College. Federal Cooperative Extension Service345
- Oregon State University. Klamath Basin Research And Extension Center197
- Charlton, Brian A.178
- Oregon State Agricultural College. Extension Service174
- Baley, Nichole117
- Oregon Agricultural College. Extension Service99
- Oregon Agricultural College. Experiment Station72
- Oregon State College. Agricultural Experiment Station59
- Jackman, E. R. (Edwin Russell), 1894 46
- Oregon State University. Agricultural Experiment Station43
- Jenkins, Lawrence39
- Southern Oregon Agricultural Experiment Station37
- Oregon State Agricultural College. Agricultural Experiment Station34
- Bouquet, A. G. B. (Arthur George Bristow), 1885 32
- Westigard, Peter H.31
- Oregon State University. Federal Cooperative Extension Service26
- Roseberg, Richard J.25
- Warren, Rex25
- Breithaupt, L. R. (Le Roy), 1886 24
- Mote, Don C. (Don Carlos), 1887 22