- Lewis, C. I. (Claude Isaac), 1880 1924[remove]23
- Oregon Agricultural College. Experiment Station15
- Brown, F. R. (Frank Ross)3
- Oregon Agricultural College. Extension Service3
- Oregon Agricultural Experiment Station3
- Barss, A. F. (Alden Forrest), 1888 2
- Brown, Gordon G. (Gordon George), 1887 2
- Cate, C. C. (Claude Clifton), 1882 2
- Kraus, E. J. (Ezra Jacob), 1885 2
- Vincent, C. C. (Clarence Cornelius), 1884 19342
- Allen, R. W. (Ralph Wilmer), 1885 1
- Atwood, W. M. (Winfred Mckenzie), 1883 1
- Bennett, S. L. (Samuel Louis)1
- Brown, W. S. (Walter Sheldon), 1878 1
- Childs, Leroy, 1888 1
- Cole, C. A. (Charles Arthur)1
- Gardner, Victor Ray, 1885 1
- Hood River Branch Experiment Station1
- Macpherson, Hector, 1875 19701
- Magness, J. R. (John Robert), 1894 1