Creator
- Oregon State University. Extension Service374
- Oregon State University. Cooperative Extension Service86
- Pacific Northwest Cooperative Extension57
- Oregon Agricultural College. Extension Service50
- United States. Department Of Agriculture35
- Washington State University. Cooperative Extension35
- University Of Idaho. Cooperative Extension Service34
- Washington State University. Extension28
- Oregon State University. Agricultural Experiment Station25
- Oregon State College. Federal Cooperative Extension Service23
- University Of Idaho. Extension23
- Oregon Agricultural College. Extension Division17
- Dryden, James, 1863 10
- Fisher, Glenn C.10
- Johnson, Duane P.10
- Morrow, Alice Mills10
- University Of Idaho. Cooperative Extension System10
- Washington State University. Cooperative Extension Service10
- Weber, Bruce A.10
- Cowgill, Helen Julia9