- Oregon State University. Agricultural Experiment Station[remove]168
- Oregon State University. Malheur Experiment Station31
- United States. Agricultural Research Service25
- Columbia Basin Agricultural Research Center24
- Central Oregon Agricultural Research Center10
- Adair, John, 1927 6
- Eastern Oregon Agricultural Research Center6
- Stout, Floyd Madison, 1931 6
- United States. Agency For International Development6
- Bond, Carl E.5
- Verts, B. J.5
- Marshall, David B.4
- Oldfield, J. E., 1921 4
- Olterman, James Howard4
- Storm, Robert M.4
- Brown, William G. (William Galen)3
- Anderson, E. William2
- Armstrong, Judith M.2
- Boersma, L.2
- Klamath County (Or.)2