Creator
- Hart, John M. (John Mervyn), 1947 23
- Oregon State University. Extension Service20
- Bellantoni, L.15
- Mcgivern, C. L.15
- Schellman, H.15
- Osta, J.11
- Aliaga, L.8
- Altinok, O.8
- Betancourt, M.8
- Bodek, A.8
- Bravar, A.8
- Budd, H.8
- Carneiro, M. F.8
- Chvojka, J.8
- Diaz, G. A.8
- Dytman, S. A.8
- Eberly, B.8
- Felix, J.8
- Fields, L.8
- Fine, R.8