- Oregon Agricultural College. Experiment Station3
- Oregon State College. Agricultural Experiment Station2
- Oregon State University. Extension Service2
- Stephens, David E. (David Edmund), 1879 2
- Sullivan, Dan M.2
- Bary, A. I.1
- Bary, Andrew I.1
- Breithaupt, L. R. (Le Roy), 1886 1
- Cogger, Craig G.1
- Corp, Mary K.1
- Douglas, Clyde Lee1
- Granatstein, D. M.1
- Hill, C. E. (Charles Edwin), 1889 1
- Horneck, D.A.1
- Klepper, B. L.1
- Kropf, J. A.1
- Kuhlman, Gustav W. (Gustav Wesley), 1894 1
- Lutcher, L.1
- Mumford, D. Curtis (Dwight Curtis), 1900 1
- Pacific Northwest Cooperative Extension1