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- Frazier, W. A.3
- Oregon State University. Agricultural Experiment Station3
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- Varseveld, George2
- Bullock, Richard M. (Richard Melvin), 1918 1
- Cain, R. F. (Robert Farmer), 1917 20081
- Crowell, H. H.1
- Davis, D. W.1
- Davison, Arlen1
- Kleczynski, D. L.1
- Sistrunk, W. A.1
- Vaughan, E. K.1