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
- Gilbert, William E.7
- Gladics, Amanda J.7
- Abell, Jeffrey6
- Auth, Toby D.6