Creator
- Oregon State University. Agricultural Experiment Station189
- Oregon State Agricultural College. Agricultural Experiment Station144
- Oregon Agricultural College. Experiment Station135
- Oregon State University. Extension Service114
- Oregon State University99
- Oregon State College. Agricultural Experiment Station98
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)73
- Oregon. State Game Commission66
- Oregon. Department Of Fish And Wildlife48
- Oregon State University. Forest Research Laboratory42
- United States. Forest Service35
- United States. Bureau Of Land Management34
- Oregon. Dept. Of Geology And Mineral Industries31
- Pacific Northwest Forest Experiment Station (Portland, Or.)29
- Klamath Falls Resource Area28
- United States. Agricultural Research Service28
- Oregon State University. College Of Forestry27
- Powers, W. L. (Wilbur Louis), 188726
- Oregon State College. Engineering Experiment Station25
- Potter, E. L. (Ermine Lawrence), 1884 25