Creator
- Oregon State University. Extension Service461
- Oregon State University. Agricultural Experiment Station294
- Oregon State University188
- Oregon State College. Agricultural Experiment Station127
- Forest Products Laboratory (U.S.)106
- Oregon. State Game Commission105
- Oregon. Dept. Of Geology And Mineral Industries84
- United States. Forest Service79
- Oregon State University. College Of Forestry75
- Oregon. Department Of Fish And Wildlife74
- Oregon State University. Forest Research Laboratory63
- Lane County Historical Society (Or.)60
- Oregon State College. Federal Cooperative Extension Service56
- Oregon Agricultural College. Experiment Station54
- Oregon Agricultural Experiment Station52
- Peterson, William T.52
- Oregon State University. Water Resources Research Institute50
- United States. Agricultural Research Service47
- Oregon State College. Extension Service46
- Pearcy, William G.44