- Oregon State University. Extension Service7
- Oregon State College. Agricultural Experiment Station6
- Dreves, Amy J.3
- Shaw, David Carl, 1955 3
- Walton, Vaughn M.3
- Bouquet, A. G. B. (Arthur George Bristow), 1885 2
- Buchanan, Marcus A.2
- Castagnoli, S.2
- Goheen, Ellen Michaels2
- Hilton, Rick2
- Kaiser, Clive2
- Martin, B. R.2
- Mcwhorter, Frank, 1896 19852
- Oregon Agricultural College. Experiment Station2
- Powers, W. L. (Wilbur Louis), 18872
- Renquist, Stephen B.2
- Skinkis, Patricia A.2
- Brewer, Linda J.1
- Childs, Leroy, 1888 1
- Edge, W. Daniel1