Creator
- Oregon State University. Extension Service291
- Oregon State University. Agricultural Experiment Station213
- Oregon State University181
- Oregon State College. Agricultural Experiment Station95
- Oregon. State Game Commission92
- Oregon. Dept. Of Geology And Mineral Industries82
- United States. Forest Service75
- Forest Products Laboratory (U.S.)73
- Oregon. Department Of Fish And Wildlife69
- Oregon State University. College Of Forestry65
- Oregon State University. Forest Research Laboratory55
- Peterson, William T.51
- Lane County Historical Society (Or.)48
- Oregon State University. Water Resources Research Institute48
- United States. Agricultural Research Service45
- Oregon Agricultural Experiment Station43
- Pearcy, William G.42
- Oregon Agricultural College. Experiment Station40
- Mcguire, William S.39
- Et Al.36