Creator
- Forest Products Laboratory (U.S.)384
- Oregon State University. Agricultural Experiment Station275
- Oregon State University. Extension Service263
- Oregon. Department Of Fish And Wildlife103
- Oregon State College. Agricultural Experiment Station82
- Oregon. State Game Commission73
- Oregon State University. Water Resources Research Institute71
- Oregon. Fish Commission71
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)67
- Oregon. Dept. Of Geology And Mineral Industries60
- Oregon State University. Forest Research Laboratory55
- Oregon State College. Extension Service54
- Et Al.52
- Oregon State College. Federal Cooperative Extension Service52
- United States. Forest Service45
- Oregon Agricultural College. Experiment Station36
- Oregon State University. Department Of Horticulture31
- Oregon State University. Cooperative Extension Service29
- United States. Agricultural Research Service29
- Oregon State Agricultural College. Agricultural Experiment Station28