- Oregon State College. Agricultural Experiment Station[remove]93
- Mumford, D. Curtis (Dwight Curtis), 1900 7
- Gorton, W. W. (William Winfield), 1907 6
- Wilster, G. H. (Gustav Hans), 18936
- Deloach, D. B. (Daniel Barton), 1904 5
- Kuhlman, G. W. (Gustav Wesley), 1894 5
- Shaw, J. N. (James Niven), 1890 5
- Dreesen, W. H. (William Henry), 1880 4
- Jones, I. R. (Idwal Ralph), 1898 4
- Muth, O. H. (Otto Herbert), 1906 4
- Bailey, Sam H.3
- Besse, Ralph S. (Ralph Stephen), 1887 3
- Burrier, A. S. (Arnold Stewart), 1902 19383
- Gish, Norville R.3
- Milbrath, John A., 1909 3
- Powers, W. L. (Wilbur Louis), 18873
- Richards, D. E. (Dale Everette), 1892 3
- Schuster, C. E. (Carl Ephraim), 1889 3
- Stephenson, R. E. (Roscoe Elmo), 1885 3
- Stout, Roy Edgar, 1913 3