Creator
- Oregon State University. Extension Service255
- Oregon State University. Agricultural Experiment Station75
- Oregon State College. Agricultural Experiment Station69
- Oregon State College. Extension Service61
- Oregon. Department Of Fish And Wildlife54
- Forest Products Laboratory (U.S.)41
- United States. Forest Service38
- Oregon State Agricultural College. Agricultural Experiment Station36
- Oregon. Dept. Of Geology And Mineral Industries36
- Oregon. Fish Commission36
- Oregon State University35
- Hannaway, D. B.32
- Lane County Historical Society (Or.)31
- Mcguire, William S.30
- Oregon State University. College Of Forestry29
- Oregon Agricultural College. Experiment Station28
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club26
- Oregon State University. Forest Research Laboratory25
- Oregon State University. Water Resources Research Institute25
- Hartman, Henry, 1889 23