Creator
- Brodeur, Richard D.15
- Peterson, William T.12
- Miller, Richard E.10
- Angima, S. D.9
- Campbell, Steve9
- Dobkowski, Alexander9
- Grizzel, Jeffrey D.9
- Harrison, Robert B.9
- Heninger, Ronald L.9
- Maguire, Douglas A. (Douglas Alan)9
- Oregon State University. Extension Service9
- Page Dumroese, Deborah S.9
- Scott, William9
- Terry, Thomas A.9
- Zabowski, D.9
- Sydeman, William J.8
- Abell, Jeffrey7
- Bjorkstedt, Eric P.7
- Field, John7
- Gilbert, William E.7