Creator
- Oregon State College. Agricultural Experiment Station2
- Bennion, N. L. (Noel Lindsay), 1903 1
- Cosby, H. E. (Hubert Elmer), 1887 1
- Dean, H. K. (Harold Karl)1
- Harper, J. A. (James Arthur), 1916 1
- Larson, Carl A. (Carl August), 1902 1
- Oregon State College. Federal Cooperative Extension Service1
- Sherwood, D. H. (Donald Henry), 1911 1