Creator
- Oregon State University. Extension Service49
- Suryan, Robert M.27
- Hughes, Robert M.26
- Duncan, Robert A.17
- Stebbins, Robert L.16
- van Steenwyk, Robert A.16
- Dick, Richard14
- Sattell, Robert14
- Tanguay, Robert L.14
- Callisto, Marcos13
- Mcgrath, Daniel M. (Daniel Morton)13
- Nomoto, R. M.13
- Oregon State University. Agricultural Experiment Station13
- Gladics, Amanda J.12
- Heesacker, Adam12
- Zemetra, Robert12
- Bograd, Steven J.10
- Kaufmann, Philip R.10
- Angima, S. D.9
- Campbell, Steve9