Creator
- Oregon State University. Extension Service227
- Oregon State University. Agricultural Experiment Station173
- Oregon. State Game Commission128
- Oregon State University124
- Oregon State College. Agricultural Experiment Station104
- Oregon. Dept. Of Geology And Mineral Industries87
- Forest Products Laboratory (U.S.)84
- Oregon State Agricultural College. Agricultural Experiment Station84
- Oregon. Department Of Fish And Wildlife76
- United States. Forest Service54
- Et Al.52
- Oregon Agricultural College. Experiment Station46
- Oregon State College. Federal Cooperative Extension Service46
- Oregon State University. Forest Research Laboratory41
- Oregon State University. College Of Forestry33
- Lane County Historical Society (Or.)30
- United States. Agricultural Research Service29
- Barth, John A.28
- Oregon State University. Malheur Experiment Station28
- Oregon State College. Extension Service27