- Oregon State College. Agricultural Experiment Station10
- Oregon State University. Extension Service7
- Jones, I. R. (Idwal Ralph), 1898 5
- Oregon State University. Agricultural Experiment Station5
- Church, D. C.3
- Oregon Agricultural Experiment Station3
- Anderson, D. E. (Donald Eugene)2
- Dean, H. K. (Harold Karl), 1889 2
- Ewalt, H. P.2
- Forest Products Laboratory (U.S.)2
- French, H. T. (Hiram Taylor), 1862 2
- Hoffman, E. N.2
- Larsen, Leland Murray2
- Magill, Benjamin Fulton2
- Oregon State Agricultural College. Agricultural Experiment Station2
- Paradis, Patrick Lloyd2
- Adams, H. P. (Holyoke Purinton), 1922 1
- Aderibigbe, Adeshina O.1
- Albro, Jonathan D.1
- Anderson, Daniel Craig1