- Oregon State University. Extension Service96
- Oregon State College. Federal Cooperative Extension Service34
- Oregon State University. Cooperative Extension Service20
- Oregon State College. Federal Cooperative Extension Service13
- Johnson, Duane P.12
- Cowgill, Helen Julia10
- Boldt, Bill8
- Franklin, Mary F.7
- Larwood, Lillian7
- Scales, Murle7
- Bourdeau, Virginia6
- Gillen, Winnifred K.6
- Lewis, Margaret6
- Pacific Northwest Cooperative Extension5
- Sawer, Barbara J.5
- Boldt, Genene4
- Lundeberg, Roberta4
- Straatman, Marcelle4
- Washington State University. Cooperative Extension4
- Anderson, Roberta Frasier3