- Oregon State College. Federal Cooperative Extension Service[remove]358
- Jackman, E. R. (Edwin Russell), 1894 46
- Jenkins, Lawrence39
- Breithaupt, L. R. (Le Roy), 1886 22
- Warren, Rex19
- Bennion, N. L. (Noel Lindsay), 1903 17
- Bouquet, A. G. B. (Arthur George Bristow), 1885 16
- Thomas, M. D.13
- Huber, M. G.11
- Horrell, Elvera10
- Freed, Virgil H. (Virgil Haven), 1919 9
- Cosby, H. E. (Hubert Elmer), 1887 8
- Coyle, B. W.8
- Every, R. W.8
- Ewalt, H. P.8
- Case, Lucy A.7
- Onsdorff, Thomas7
- Dahl, F. H.6
- King, Arthur S.6
- Lindgren, H. A. (Harry Arthur), 1888 6