Creator
- Forest Products Laboratory (U.S.)168
- Oregon State University. Agricultural Experiment Station167
- Oregon State University. Extension Service148
- Oregon State University87
- Oregon. Department Of Fish And Wildlife40
- Oregon State College. Agricultural Experiment Station37
- Oregon State Agricultural College. Agricultural Experiment Station32
- Oregon State University. Water Resources Research Institute31
- Hart, John M. (John Mervyn), 1947 28
- United States. Forest Service28
- Oregon State College. Federal Cooperative Extension Service27
- Oregon. State Game Commission27
- Oregon. Fish Commission23
- United States. Agricultural Research Service23
- Oregon Agricultural College. Experiment Station22
- Oregon State University. College Of Forestry22
- Oregon State University. Department Of Horticulture22
- Oregon State University. Forest Research Laboratory22
- Oregon State University. Malheur Experiment Station21
- Et Al.20