Creator
- Oregon State University. Extension Service7
- Christensen, Neil Walter, 1944 4
- Jackson, T. L. (Thomas Lloyd), 1922 3
- Powelson, R. L.3
- Baggett, James R.2
- Bullock, Richard M. (Richard Melvin), 1918 2
- Cain, R. F. (Robert Farmer), 1917 20082
- Crowell, H. H.2
- Frazier, W. A.2
- Hart, John M. (John Mervyn), 1947 2
- Mack, H. J.2
- Oregon State University. Agricultural Experiment Station2
- Al Saadi, J.1
- Arroyo Rodriguez, Victor1
- Baeten, Lander1
- Banas, Neil S.1
- Banks Leite, Cristina1
- Barlow, Jos1
- Bedell, Thomas E.1
- Bell, Neil1