Creator
- Oregon State University. Extension Service292
- Oregon State University. Agricultural Experiment Station254
- Oregon State University207
- Oregon. State Game Commission116
- Oregon State College. Agricultural Experiment Station102
- Oregon. Dept. Of Geology And Mineral Industries87
- Forest Products Laboratory (U.S.)79
- United States. Forest Service76
- Oregon. Department Of Fish And Wildlife71
- Oregon State University. Forest Research Laboratory66
- Oregon State University. College Of Forestry65
- Lane County Historical Society (Or.)62
- Oregon. Forest Lands Research Center, Corvallis59
- Peterson, William T.49
- Oregon State University. Water Resources Research Institute47
- United States. Agricultural Research Service47
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)46
- Pearcy, William G.45
- Oregon Agricultural Experiment Station43
- Oregon Agricultural College. Experiment Station42