- Oregon State University. Extension Service465
- Oregon State College. Federal Cooperative Extension Service98
- Oregon State College. Federal Cooperative Extension Service84
- Oregon State University. Cooperative Extension Service58
- Sawer, Barbara J.48
- Johnson, Duane P.44
- Cowgill, Helen Julia43
- Koester, Ardis W.42
- Sander, Gary H.19
- Wilkinson, Ralph19
- Raab, Carolyn A.17
- Rose, Pamela16
- Boldt, Bill14
- Larwood, Lillian13
- Oregon State Agricultural College. Extension Service13
- Boltes, Barbara V.12
- Kelley, Fern S.12
- Lundeberg, Roberta12
- Pacific Northwest Cooperative Extension11
- Baker, Mary Jean10