Creator
- Oregon State University. Agricultural Experiment Station143
- Oregon State Agricultural College. Agricultural Experiment Station126
- Oregon State University. Extension Service117
- Oregon. Department Of Fish And Wildlife98
- Forest Products Laboratory (U.S.)96
- Oregon. Dept. Of Geology And Mineral Industries92
- Oregon State College. Agricultural Experiment Station90
- Oregon State College. Extension Service73
- Oregon. State Game Commission70
- Oregon State College. Engineering Experiment Station45
- Oregon State University43
- Oregon State University. Water Resources Research Institute36
- Oregon State University. Forest Research Laboratory35
- Werren, Fred32
- Lane County Historical Society (Or.)30
- Oregon State University. College Of Forestry30
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club29
- United States. Agricultural Research Service23
- Oregon State University. Engineering Experiment Station22
- Columbia Basin Agricultural Research Center20