- Oregon State University. Agricultural Experiment Station80
- Oregon State University. Extension Service76
- Baggett, James R.43
- Mack, H. J.34
- Frazier, W. A.27
- Oregon State College. Agricultural Experiment Station26
- Walton, Vaughn M.18
- Skinkis, Patricia A.16
- Charlton, Brian A.15
- Pscheidt, Jay W.15
- Mansour, N. S.14
- Oregon State University. Klamath Basin Research And Extension Center14
- Varseveld, George13
- Crowell, H. H.12
- Vaughan, E. K.11
- Dreves, Amy J.10
- Kaiser, Clive10
- Strik, Bernadine C. (Bernadine Cornelia), 1962 10
- Zielinski, Quentin Bliss, 1919 10
- Duncan, Andrew A.9