- Oregon State University. Agricultural Experiment Station[remove]247
- United States. Agricultural Research Service27
- Columbia Basin Agricultural Research Center24
- Klamath County (Or.)14
- Oregon State University. Klamath Agricultural Experiment Station14
- Eastern Oregon Agricultural Research Center9
- Oregon State University. Malheur Experiment Station8
- Boersma, L.6
- Central Oregon Agricultural Research Center6
- Bond, Carl E.5
- United States. Department Of Agriculture5
- Verts, B. J.5
- Brown, William G. (William Galen)4
- Lindstrom, F. T.4
- Mack, H. J.4
- Marshall, David B.4
- Mason, Robert George4
- Olterman, James Howard4
- Oregon State College. Agricultural Experiment Station4
- Storm, Robert M.4