Creator
- Oregon. State Game Commission145
- Oregon State University136
- Oregon State Agricultural College. Agricultural Experiment Station72
- Oregon State University. Agricultural Experiment Station65
- Oregon. Department Of Fish And Wildlife56
- Oregon State University. Extension Service49
- Oregon Agricultural College. Experiment Station37
- Oregon State University. Forest Research Laboratory34
- Forest Products Laboratory (U.S.)33
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club30
- United States. Forest Service24
- Oregon State College. Extension Service23
- Lane County Historical Society (Or.)20
- Oregon State University. College Of Forestry19
- Oregon State College. Agricultural Experiment Station17
- Oregon. State Game Commission. Fishery Division17
- Morrell, Jeffrey J.16
- United States. Agency For International Development15
- Upper Willamette Resource Conservation And Development Project15
- Caldwell, Douglas R.14