Creator
- Morrison, H. E. (Hugh Engle), 1905 2
- Mote, Don C. (Don Carlos), 1887 2
- Oregon State College. Agricultural Experiment Station2
- Every, R. W.1
- Hansen, D. E. (Donald E.)1
- Oregon State College. Federal Cooperative Extension Service1
- Oregon State University. Extension Service1
- Rasmussen, W. B.1
- Shaw, J. N. (James Niven), 1890 1