- Oregon State University. Extension Service81
- Stoltz, Robert L.53
- Matteson, Nancy A.45
- Smith, Robert L. (Robert Lloyd), 1935 44
- Huyer, Adriana, 1945 38
- Wheeler, Patricia A.36
- Kosro, P. Michael, 1951 34
- Chang, Jeff H.33
- Weeks, Tom32
- Fleischbein, Jane31
- Creason, Allison L.29
- Loper, Joyce E.28
- Jackson, T. L. (Thomas Lloyd), 1922 24
- Oregon State University. Agricultural Experiment Station23
- Lovett, A. L. (Arthur Lester), 1885 192422
- Peterson, W. T.22
- Barth, John A.21
- Oregon State College. Agricultural Experiment Station20
- Araujo, Welington L.19
- Azarenko, A. N. (Anita Nina)19