Creator
- Blanch, Grant E. (Grant Etherington), 1915 5
- Oregon State College. Agricultural Experiment Station2
- Boubel, Richard W. (Richard William), 1927 1
- Bromley, D. W.1
- Hubbard, Deon W.1
- Lawrence, W. Wray1
- Mumford, D. Curtis (Dwight Curtis), 1900 1
- Nelson, A. Gene1
- Northcraft, M.1
- Oregon State College. Engineering Experiment Station1
- Oregon State University. Agricultural Experiment Station1
- Oregon State University. Extension Service1
- Pierszalowski, Sophie Penny1
- Popovich, M.1
- Stoevener, H. H.1
- van Vliet, A.1