Creator
- Gardner, Victor Ray, 1885 5
- Oregon Agricultural College. Experiment Station3
- Magness, J. R. (John Robert), 1894 2
- Atwood, W. M. (Winfred Mckenzie), 1883 1
- Barss, H. P. (Howard Phillips), 1885 1
- Edminster, A. F. (Albert Franklin)1
- Kraus, E. J. (Ezra Jacob), 1885 1
- Lewis, C. I. (Claude Isaac), 1880 19241
- Lovett, A. L. (Arthur Lester), 1885 19241
- Oregon Agricultural College. Extension Service1
- Yeager, A. F. (Albert Franklin), 1892 1