Creator
- Bogart, Ralph2
- Fox, C. W.2
- Knapp, S. E.2
- Mcarthur, J. A. B.2
- Barnard, Don1
- Frischknecht, W. D.1
- Gibson, Jack1
- Hurt, Nate1
- Kennick, Walter H.1
- Landers, J. H.1
- Muth, O. H.1
- Oldfield, J. E.1
- Oregon State College. Agricultural Experiment Station1
- Oregon State University. Agricultural Experiment Station1
- Smith, Dean H.1
- Steen, Roy A.1
- Ward, R. A.1
- Wood, G. B.1
- Wu, S. H.1