- Oregon State University. Extension Service469
- Oregon State College. Federal Cooperative Extension Service98
- Oregon State College. Federal Cooperative Extension Service84
- Oregon State University. Cooperative Extension Service57
- Sawer, Barbara J.48
- Johnson, Duane P.44
- Cowgill, Helen Julia42
- Koester, Ardis W.42
- Sander, Gary H.19
- Wilkinson, Ralph19
- Raab, Carolyn A.17
- Pacific Northwest Cooperative Extension16
- Rose, Pamela16
- Boldt, Bill14
- Boltes, Barbara V.13
- Larwood, Lillian13
- Lewis, Margaret13
- Kelley, Fern S.12
- Lundeberg, Roberta12
- Baker, Mary Jean10