- Oregon State University. Extension Service18
- Hart, John M. (John Mervyn), 1947 17
- Mellbye, Mark Edward10
- Gardner, Ernest Hugh8
- Jackson, T. L. (Thomas Lloyd), 1922 8
- Christensen, Neil Walter, 1944 5
- Flowers, Michael Darrell, 1971 5
- Gingrich, Gale Allen4
- Hannaway, D. B.4
- Horneck, Donald Arthur4
- Mcguire, William S.4
- Anderson, Nicole P.3
- Doerge, Thomas A.3
- Silberstein, T. B.3
- Strik, Bernadine C. (Bernadine Cornelia), 1962 3
- Young, W. C.3
- Youngberg, Harold Wayne, 1929 3
- Gamroth, Michael J.2
- Mack, H. J. (Harry John), 1926 2
- Oregon Agricultural College. Experiment Station2