- Mcguire, William S.46
- Oregon State University. Extension Service35
- Hannaway, D. B.33
- Gardner, Ernest Hugh8
- Youngberg, Harold Wayne, 1929 8
- Jackson, T. L. (Thomas Lloyd), 1922 7
- Oregon State University. Agricultural Experiment Station7
- Bedell, Thomas E.3
- Adams, H. P. (Holyoke Purinton), 1922 2
- Dawson, M. D. (Murray Drayton), 1925 2
- Doerge, Thomas A.2
- Hannaway, David B.2
- Claypool, D.1
- Claypool, Donald W., 1929 1
- Crofts, F. C. (Frank Clement)1
- Day, Paul Edward1
- Frakes, R. V.1
- Goetze, Norman R.1
- Hart, John M. (John Mervyn), 1947 1
- Leffel, John1