- Oregon State College. Agricultural Experiment Station[remove]60
- Gorton, W. W. (William Winfield), 1907 6
- Wilster, G. H. (Gustav Hans), 18936
- Deloach, D. B. (Daniel Barton), 1904 5
- Mumford, D. Curtis (Dwight Curtis), 1900 5
- Becker, Manning H. (Manning Henry), 1922 4
- Hyer, Edgar A.4
- Kuhlman, G. W. (Gustav Wesley), 1894 4
- Bailey, Sam H.3
- Gish, Norville R.3
- Muth, O. H. (Otto Herbert), 1906 3
- Powers, W. L. (Wilbur Louis), 18873
- Shaw, J. N. (James Niven), 1890 3
- Stephenson, R. E. (Roscoe Elmo), 1885 3
- Stout, Roy Edgar, 1913 3
- Besse, Ralph S. (Ralph Stephen), 1887 2
- Burrier, A. S. (Arnold Stewart), 1902 19382
- Dreesen, W. H. (William Henry), 1880 2
- Jones, I. R. (Idwal Ralph), 1898 2
- Milbrath, John A., 1909 2