Creator
- Koepsell, Paul A.11
- Oregon State University. Extension Service10
- Karow, Russell S.2
- Allen, T. C.1
- Baggett, James R.1
- Capizzi, Joseph1
- Crabtree, Garvin Dudley1
- Fitch, Luther1
- Hampton, Richard Owen, 1930 1
- Horner, C. E. (Chester Ellsworth), 1925 1
- Jensen, H. J.1
- Mansour, N. S.1
- Oregon State University. Cooperative Extension Service1
- Powelson, R. L.1
- Simpson, W. R. (William R.)1