Creator
- Oregon Agricultural College. Experiment Station131
- Oregon State University. Agricultural Experiment Station128
- Oregon. State Game Commission110
- Oregon State Agricultural College. Agricultural Experiment Station95
- Oregon State College. Agricultural Experiment Station93
- Oregon State University. Extension Service91
- Oregon State University65
- United States. Agricultural Research Service41
- Columbia Basin Agricultural Research Center34
- Oregon State College. Federal Cooperative Extension Service25
- Oregon. Department Of Fish And Wildlife25
- Oregon. State Game Commission. Fishery Division21
- Powers, W. L. (Wilbur Louis), 188719
- Potter, E. L. (Ermine Lawrence), 1884 18
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club18
- Et Al.16
- Hatfield Marine Science Center15
- Western Orchard Pest And Disease Management Conference15
- Oregon State University. College Of Forestry14
- United States. Agency For International Development14