- Oregon State College. Agricultural Experiment Station10
- Oregon State University. Extension Service7
- Oregon State University. Agricultural Experiment Station6
- Schoth, H. A. (Harry August), 1891 5
- Mcguire, William S.4
- Dick, Richard3
- Hannaway, D. B.3
- Hemphill, Delbert D.3
- Mcgrath, Daniel M. (Daniel Morton)3
- Rampton, H. H. (Henry Hardy), 1904 3
- Sattell, Robert3
- Bedell, Thomas E.2
- Doerge, Thomas A.2
- Gardner, Ernest Hugh2
- Inskeep, John Jerry2
- Keltner, Edwin2
- Lins, Ryan D.2
- Youngberg, Harold Wayne, 1929 2
- Almendras, Angela S.1
- Anderson, Ernest Clifford1