- Potter, E. L. (Ermine Lawrence), 1884 44
- Oregon Agricultural College. Experiment Station17
- Withycombe, Robert, 1880 11
- Lindgren, H. A. (Harry Arthur), 1888 8
- Oregon State Agricultural College. Agricultural Experiment Station8
- Oliver, A. W. (Alfred Weaver), 1894 6
- Oregon State College. Federal Cooperative Extension Service6
- Oregon State College. Agricultural Experiment Station5
- Oregon Agricultural College. Extension Service4
- Oregon Agricultural College. Extension Division3
- Bouquet, A. G. B. (Arthur George Bristow), 1885 2
- Brooks, Helen Bryce2
- Dean, H. K. (Harold Karl), 1889 2
- Dryden, James, 1863 2
- Edwards, F. M. (Floyd Marven), 1899 2
- Jardine, James T. (James Tertius), 1881 19542
- Rodenwold, B. W. (Benjamin William), 1895 2
- Scudder, H. D. (Henry Desborough), 1881 2
- Besse, Ralph S. (Ralph Stephen), 1887 1
- Calvin, Henrietta W.1