- Oregon State Agricultural College. Agricultural Experiment Station91
- Oregon Agricultural College. Experiment Station63
- Oregon State College. Agricultural Experiment Station59
- Oregon State University. College Of Forestry33
- Oregon State University. Agricultural Experiment Station29
- Oregon State University26
- Powers, W. L. (Wilbur Louis), 188718
- Potter, E. L. (Ermine Lawrence), 1884 15
- Oregon State University. Extension Service14
- Columbia Basin Agricultural Research Center13
- Hatfield Marine Science Center12
- United States. Agricultural Research Service12
- Oregon State University. Forest Research Laboratory10
- Oregon State University. Registrar's Office10
- Oregon State University. Engineering Experiment Station9
- Robinson, R. H. (Reginald Heber), 1886 9
- Bullis, D. E. (Deloss Everett), 1894 19848
- Deloach, D. B. (Daniel Barton), 1904 8
- Edge, W. Daniel8
- Wilster, G. H. (Gustav Hans), 18938