Creator
- Oregon State University. Extension Service297
- Oregon State University. Agricultural Experiment Station248
- Oregon State University202
- Oregon State College. Agricultural Experiment Station117
- Oregon. State Game Commission115
- Oregon. Dept. Of Geology And Mineral Industries86
- Forest Products Laboratory (U.S.)85
- Oregon State University. College Of Forestry78
- United States. Forest Service78
- Oregon. Department Of Fish And Wildlife75
- Lane County Historical Society (Or.)68
- Oregon State University. Forest Research Laboratory61
- Peterson, William T.50
- Oregon State University. Water Resources Research Institute48
- United States. Agricultural Research Service46
- Oregon Agricultural Experiment Station44
- Pearcy, William G.42
- Et Al.40
- Meinzer, Frederick C.40
- Oregon Agricultural College. Experiment Station40