Creator
- Oregon State University. Agricultural Experiment Station342
- Oregon State University. Extension Service303
- Oregon State University204
- Oregon State College. Agricultural Experiment Station111
- Oregon Agricultural College. Experiment Station97
- Forest Products Laboratory (U.S.)77
- Oregon. State Game Commission75
- Oregon State University. College Of Forestry69
- Oregon State University. Forest Research Laboratory64
- Oregon State College. Extension Service63
- Oregon. Fish Commission63
- Oregon. Department Of Fish And Wildlife62
- Oregon. Dept. Of Geology And Mineral Industries60
- United States. Forest Service53
- Duncan, Robert A.52
- Oregon State University. Water Resources Research Institute49
- James, Robert L.44
- Lane County Historical Society (Or.)44
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)44
- United States. Agricultural Research Service38