Creator
- Oregon State University. Extension Service3
- Allen, Nancy1
- Asman, K.1
- Decalesta, David S.1
- Edge, W. Daniel1
- Kuhn, Lee W.1
- Loegering, John P., 1964 1
- Oregon Agricultural College. Experiment Station1
- Oregon Agricultural Experiment Station1
- Washburn, F. L. (Frederic Leonard), 1860 19271
- Wight, Howard M. (Howard Marshall), 1889 1