- Oregon State University. Extension Service9
- Oregon State College. Agricultural Experiment Station6
- Oregon Agricultural College. Experiment Station5
- Oregon State Agricultural College. Agricultural Experiment Station3
- Peachey, Ed3
- Castle, Emery N.2
- Donaldson, Andrew2
- Gamroth, Michael J.2
- Gwin, Lauren2
- Kuhlman, G. W. (Gustav Wesley), 1894 2
- Mcqueen, John Paul Gainer2
- Miles, Stanley2
- Mumford, D. Curtis (Dwight Curtis), 1900 2
- Oregon State University. Agricultural Experiment Station2
- Selby, H. E. (Halbert Edgerton), 1896 2
- Shattuck, Obil, 1885 2
- Stephens, David E. (David Edmund), 1879 2
- Sullivan, Dan M.2
- Adams, H. P. (Holyoke Purinton), 1922 1
- Allan, Sarah E.1