Creator
- Oregon State University. Extension Service751
- Oregon State University. Agricultural Experiment Station747
- Oregon State College. Agricultural Experiment Station300
- Forest Products Laboratory (U.S.)261
- Oregon State College. Federal Cooperative Extension Service212
- Oregon State University183
- Oregon Agricultural College. Experiment Station182
- Oregon. Dept. Of Geology And Mineral Industries161
- Oregon State Agricultural College. Agricultural Experiment Station151
- Oregon State University. Forest Research Laboratory149
- Oregon. State Game Commission147
- Bouquet, A. G. B. (Arthur George Bristow), 1885 118
- Oregon State College. Extension Service88
- Oregon State University. Water Resources Research Institute88
- Pscheidt, Jay W.87
- Oregon. Department Of Fish And Wildlife82
- Et Al.81
- U.S. International Biological Program. Coniferous Forest Biome81
- United States. Agricultural Research Service76
- Oregon State University. College Of Forestry69