- Oregon Agricultural College. Experiment Station19
- Samson, George R. (George Roy), 1879 8
- Oregon Agricultural College. Extension Service7
- Oregon Agricultural College5
- Reynolds, Ralph Elmer5
- Allen, R. W. (Ralph Wilmer), 1885 3
- Gardner, Victor Ray, 1885 2
- Lewis, C. I. (Claude Isaac), 1880 19242
- Robinson, R. H. (Reginald Heber), 1886 2
- Scudder, H. D. (Henry Desborough), 1881 2
- [Author Not Identified]1
- Beckwith, T. D. (Theodore Day), 1879 19461
- Borden, Roy1
- Bracker, E. M. D. (Emil Mark Diedrich), 1882 1
- Breithaupt, L. R. (Le Roy), 1886 1
- Brogden, Edith Stanley1
- Brown, F. R. (Frank Ross)1
- Carnegie, John Darwin1
- Clark, Ava Milam, 1884 19761
- Corsaut, Jesse Harrison1