Creator
- Peterson, William T.17
- Oregon State University. Extension Service14
- Trojan, William R.13
- Tahnk, William R.11
- Bisson, William H.9
- Oregon State University. Agricultural Experiment Station8
- Abazov, V. M.7
- Abbott, B.7
- Acharya, B. S.7
- Adams, M.7
- Adams, T.7
- Agnew, J. P.7
- Alexeev, G. D.7
- Alkhazov, G.7
- Alton, A.7
- Askew, A.7
- Atkins, S.7
- Augsten, K.7
- Avila, C.7
- Badaud, F.7