- Oregon Agricultural College. Experiment Station126
- Oregon State Agricultural College. Agricultural Experiment Station42
- Oregon State College. Agricultural Experiment Station26
- Hartman, Henry, 1889 16
- Potter, E. L. (Ermine Lawrence), 1884 16
- Powers, W. L. (Wilbur Louis), 188714
- Robinson, R. H. (Reginald Heber), 1886 13
- Mote, Don C. (Don Carlos), 1887 12
- Hyslop, G. R. (George Robert), 1884 11
- Lovett, A. L. (Arthur Lester), 1885 192410
- Schuster, C. E. (Carl Ephraim), 1889 10
- Withycombe, Robert, 1880 9
- Bullis, D. E. (Deloss Everett), 1894 19846
- Childs, Leroy, 1888 6
- Schoth, H. A. (Harry August), 1891 6
- Wiegand, Ernest Herman, 1886 6
- Barss, H. P. (Howard Phillips), 1885 5
- Knowlton, Frank L. (Frank Lester), 1894 19405
- Lunn, A. G. (Alfred Gunn), 1883 5
- Reimer, F. C. (Frank Charles), 1881 5