Creator
- Oregon State University. Extension Service180
- Oregon State University. Agricultural Experiment Station146
- Oregon State University109
- Lane County Historical Society (Or.)54
- Oregon State University. College Of Forestry52
- Oregon State University. Forest Research Laboratory38
- Oregon State College. Federal Cooperative Extension Service37
- Oregon State University. Malheur Experiment Station29
- Oregon. Department Of Fish And Wildlife27
- Oregon State University. Cooperative Extension Service26
- Hatfield Marine Science Center25
- United States. Agricultural Research Service25
- Et Al.24
- Oregon State University. Water Resources Research Institute24
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club23
- Pacific Northwest Cooperative Extension22
- Forest Products Laboratory (U.S.)21
- Lane County Pioneer Historical Society (Or.)21
- Oregon State College. Agricultural Experiment Station21
- Oregon Agricultural College. Experiment Station20