Creator
- Oregon State University. Agricultural Experiment Station145
- Oregon State University. Extension Service126
- Oregon State University121
- Forest Products Laboratory (U.S.)75
- Et Al.70
- Oregon Agricultural College. Experiment Station64
- Oregon State College. Agricultural Experiment Station41
- Oregon State University. Forest Research Laboratory37
- Potter, E. L. (Ermine Lawrence), 1884 36
- Oregon State College. Extension Service32
- Oregon. Dept. Of Geology And Mineral Industries32
- Oregon State University. College Of Forestry31
- Burt, Lawrence A.29
- Peterson, William T.26
- Chelton, Dudley B.24
- U.S. International Biological Program. Coniferous Forest Biome24
- United States. Forest Service24
- Oregon State Agricultural College. Agricultural Experiment Station23
- Oregon. Fish Commission23
- Oregon State College. Federal Cooperative Extension Service22