Creator
- Oregon State University. Agricultural Experiment Station183
- Oregon State University. Extension Service181
- Oregon State University82
- Oregon. State Game Commission65
- Jackson, T. L. (Thomas Lloyd), 1922 62
- Oregon Agricultural College. Experiment Station52
- Oregon State University. Forest Research Laboratory46
- Oregon. Dept. Of Geology And Mineral Industries46
- Oregon State College. Agricultural Experiment Station38
- Gardner, Ernest Hugh37
- Oregon State University. College Of Forestry36
- Southern Oregon Agricultural Experiment Station36
- Oregon State Agricultural College. Agricultural Experiment Station34
- Oregon State University. Water Resources Research Institute31
- Westigard, Peter H.31
- Oregon. Department Of Fish And Wildlife30
- Et Al.27
- United States. Agricultural Research Service23
- Hart, John M. (John Mervyn), 1947 21
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club21