- Oregon Agricultural College. Experiment Station228
- Oregon State Agricultural College. Extension Service100
- Oregon Agricultural College. Extension Service99
- Oregon Agricultural Experiment Station85
- Oregon State College. Agricultural Experiment Station23
- Oregon State College. Extension Service23
- Lewis, C. I. (Claude Isaac), 1880 192420
- Lovett, A. L. (Arthur Lester), 1885 192419
- Potter, E. L. (Ermine Lawrence), 1884 19
- Powers, W. L. (Wilbur Louis), 188719
- Oregon State Agricultural College. Agricultural Experiment Station18
- Hyslop, G. R. (George Robert), 1884 17
- Barss, H. P. (Howard Phillips), 1885 16
- Shaw, G. W. (George Wright), 1864 16
- French, H. T. (Hiram Taylor), 1862 14
- Robinson, R. H. (Reginald Heber), 1886 14
- Mote, Don C. (Don Carlos), 1887 13
- Dryden, James, 1863 12
- Hartman, Henry, 1889 12
- Bouquet, A. G. B. (Arthur George Bristow), 1885 10