- Oregon Agricultural College. Experiment Station90
- Oregon Agricultural College. Extension Service67
- Oregon State Agricultural College. Agricultural Experiment Station38
- Oregon State Agricultural College. Extension Service29
- Oregon State College. Extension Service21
- Potter, E. L. (Ermine Lawrence), 1884 17
- Hartman, Henry, 1889 12
- Hyslop, G. R. (George Robert), 1884 12
- Powers, W. L. (Wilbur Louis), 188711
- Robinson, R. H. (Reginald Heber), 1886 10
- Withycombe, Robert, 1880 9
- Johnson, A. Grace7
- Smith, Margery M.7
- Cosby, H. E. (Hubert Elmer), 1887 6
- Lovett, A. L. (Arthur Lester), 1885 19246
- Schuster, C. E. (Carl Ephraim), 1889 6
- Bouquet, A. G. B. (Arthur George Bristow), 1885 5
- Bullis, D. E. (Deloss Everett), 1894 19845
- Childs, Leroy, 1888 5
- Reimer, F. C. (Frank Charles), 1881 5