Creator
- Mcgrath, Daniel M. (Daniel Morton)17
- Oregon State University. Extension Service16
- Dick, Richard13
- Sattell, Robert13
- Hemphill, Delbert D.5
- Karow, Russell S.5
- Luna, John5
- Kaufman, Diane3
- Peachey, Ronald Edward3
- Ingham, Russ2
- Buford, Thomas1
- Gonzales, Alejandro1
- Hernandez, Jose1
- Hobbs, Jude1
- Murray, Helene1
- Santamaria, Luisa1