Creator
- Oregon Agricultural College. Experiment Station98
- Oregon State University. Extension Service80
- Oregon State University. Agricultural Experiment Station78
- Oregon. Department Of Fish And Wildlife67
- Oregon State University63
- Oregon State College. Extension Service59
- Oregon State University. College Of Forestry36
- Oregon State University. Forest Research Laboratory29
- Oregon. Dept. Of Geology And Mineral Industries27
- Oregon State College. Agricultural Experiment Station25
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club23
- Hatfield Marine Science Center22
- Lane County Historical Society (Or.)22
- Oregon State University. Engineering Experiment Station19
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)19
- Barth, John A.18
- Christensen, Neil Walter, 1944 18
- Oregon Agricultural Experiment Station18
- Forest Products Laboratory (U.S.)17
- Oregon State Agricultural College. Agricultural Experiment Station17