- Cross, Timothy L.21
- Oregon State University. Extension Service18
- Thorpe, Jim14
- Oregon. Employment Division13
- Seavert, Clark F.5
- Oregon State University. Agricultural Experiment Station4
- Breithaupt, L. R. (Le Roy), 1886 3
- Mumford, D. Curtis (Dwight Curtis), 1900 3
- Oregon State College. Agricultural Experiment Station3
- Cordero, Johnny C.2
- Hammonds, T. M.2
- Hoffman, C. S. (Charles Sumner)2
- Mason, Robert George2
- Oregon Agricultural College. Experiment Station2
- Yadav, Ram P., 1947 2
- Blosser, John H.1
- Carne, David Michael1
- Conklin, Melvin J.1
- Crawford, Ashley1
- Cuthbert, Richard W.1