Creator
- Oregon State University173
- Oregon State University. Extension Service117
- Oregon State University. Agricultural Experiment Station101
- Lane County Historical Society (Or.)59
- Oregon State University. College Of Forestry53
- Oregon State University. Water Resources Research Institute36
- Oregon Agricultural Experiment Station35
- Oregon. Dept. Of Geology And Mineral Industries33
- United States. Forest Service33
- Oregon Agricultural College. Experiment Station31
- Oregon State College. Agricultural Experiment Station31
- Oregon State University. Engineering Experiment Station31
- Hatfield Marine Science Center27
- Oregon. State Game Commission27
- Oregon State University. Forest Research Laboratory26
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club26
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)25
- Oregon State University. Department Of Oceanography24
- Oregon State College. Extension Service23
- Forest Products Laboratory (U.S.)21