- Oregon State University. Agricultural Experiment Station5
- Oregon State University. Extension Service5
- Crowell, H. H.4
- Crowell, H. H. (Hamblin Howes), 1913 4
- Frazier, W. A.4
- Baggett, James R.3
- Bullock, Richard M. (Richard Melvin), 1918 2
- Capizzi, Joseph2
- Deangelis, J. D.2
- Mack, H. J.2
- Oregon State College. Agricultural Experiment Station2
- Simko, B. C. (Ben C.)2
- Varseveld, G.2
- Cain, R. F. (Robert Farmer), 1917 20081
- Clarkson, V. A.1
- Crabtree, Garvin Dudley1
- Cropsey, Myron G.1
- Davidson, Tom1
- Davison, A.1
- Dickman, Frank1