Creator
- Le, Edward A.7
- Oregon State University. Extension Service7
- Oregon State University. Agricultural Experiment Station6
- Arnason, Ragnar2
- Youngberg, Harold Wayne, 1929 2
- Barr, W. A.1
- Bertignac, Michel1
- Brown, William G. (William Galen)1
- Chilcote, David O.1
- Conklin, Frank S.1
- Eide, Arne1
- Engstrom, W. H.1
- Fifas, Spyros1
- Flaaten, Ola1
- Frakes, Rodney Vance, 1930 1
- Gomm, F. B. (Fred Bryant), 1928 1
- Guillen, Jordi1
- Guyader, Olivier1
- Henriksen, Edgar1
- Hyder, D. N.1