- Oregon State University. Extension Service24
- Oregon State College. Agricultural Experiment Station11
- Oregon State University. Agricultural Experiment Station11
- Powers, W. L. (Wilbur Louis), 18879
- Oregon Agricultural College. Experiment Station7
- Oregon State Agricultural College. Agricultural Experiment Station6
- Flock, Rebecca4
- Pereira, Andre4
- Shearer, Marvin N.4
- Shock, Cedric A.4
- Shock, Clinton C.4
- Baggett, James R.3
- Becker, Manning H. (Manning Henry), 1922 3
- Castle, Emery N.3
- Jaeger, William K. (William Kenneth)3
- Jensen, Lynn3
- Mack, H. J.3
- Miller, Stanley F.3
- Shattuck, Obil, 1885 3
- Berry, Ralph E. (Ralph Eugene), 1940 2