- Oregon Agricultural College. Extension Service48
- Oregon Agricultural College. Extension Division9
- Oregon Agricultural College. Experiment Station7
- Robbins, Lulie5
- Barr, W. A.4
- Scudder, H. D. (Henry Desborough), 1881 4
- Bouquet, A. G. B. (Arthur George Bristow), 1885 3
- Dryden, James, 1863 3
- Graves, R. R.3
- Lewis, C. I. (Claude Isaac), 1880 19243
- Wilson, H. F. (Harley Frost), 1883 3
- Beckwith, T. D.2
- Calvin, Henrietta W.2
- Samson, George R. (George Roy), 1879 2
- Simpson, O. G.2
- Allen, R. W. (Ralph Wilmer), 1885 1
- Barss, Alden Forrest1
- Bates, E. G.1
- Beckwith, T. D. (Theodore Day), 1879 19461
- Betts, Norman de Witt, 1880 19171