- Oregon State University. Agricultural Experiment Station13
- Oregon State University11
- Oregon State University. Extension Service8
- Oregon State University. Malheur Experiment Station7
- Oregon State University. Forest Research Laboratory5
- Lachenbruch, Barbara4
- Meinzer, Frederick C.4
- United States. Agricultural Research Service4
- Columbia Basin Agricultural Research Center3
- Hunter, Daniel A.3
- Pacific Northwest Insect Management Conference3
- Aberg, Christoffer2
- Barth, John A.2
- Bellamy, Rachel2
- Berry, Ralph E. (Ralph Eugene), 1940 2
- Blouin, Michael S.2
- Brophy, Laura S.2
- Burnett, Margaret2
- Campbell, Holly V.2
- Carrington, James C.2