Creator
- Oregon State University. Forest Research Laboratory26
- Oregon State University. Extension Service23
- Lane County Historical Society (Or.)22
- Oregon State University. College Of Forestry19
- Oregon State University. Agricultural Experiment Station17
- United States. Forest Service15
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club14
- U.S. International Biological Program. Coniferous Forest Biome13
- Osu Forestry Alumni Association11
- Columbia River Gillnetter (Columbia River Fishermen's Protective Union)10
- Forest Products Laboratory (U.S.)10
- Oregon State University Libraries And Press10
- Lane County Pioneer Historical Society (Or.)9
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)9
- Ross, George Franklin8
- Hatfield Marine Science Center7
- Oregon. Department Of Fish And Wildlife7
- Oregon. Dept. Of Geology And Mineral Industries7
- Oregon. State Game Commission7
- Pacific Northwest Insect Management Conference7