- Oregon State University. Agricultural Experiment Station95
- United States. Agency For International Development25
- Oregon State University. Malheur Experiment Station24
- International Maize And Wheat Improvement Center23
- Klamath County (Or.)13
- Oregon State University. Klamath Agricultural Experiment Station13
- Besse, Ralph S. (Ralph Stephen), 1887 6
- Klamath Agricultural Experiment Station3
- Mosley, Alvin Ray, 1942 3
- Shriver, Ann L.3
- Southern Oregon Agricultural Experiment Station3
- Anderson, Christopher2
- Buettner, Mark R. (Mark Roland)2
- Groves, Theodore2
- Knapp, Gunnar2
- Maize And Wheat Improvement Center2
- Murphy, James2
- Oregon State College. Agricultural Experiment Station2
- Sherman Experiment Station2
- Brown, Gordon G. (Gordon George), 1887 1