Creator
- Oregon State University. Extension Service302
- Oregon State University. Agricultural Experiment Station236
- Oregon. State Game Commission140
- Oregon State University119
- Oregon. Dept. Of Geology And Mineral Industries58
- Oregon Agricultural College. Experiment Station55
- Oregon State College. Federal Cooperative Extension Service55
- Pscheidt, Jay W.50
- Oregon State College. Agricultural Experiment Station48
- Oregon State University. Forest Research Laboratory48
- Jackson, T. L. (Thomas Lloyd), 1922 40
- Southern Oregon Agricultural Experiment Station40
- Oregon State University. Water Resources Research Institute39
- Oregon State Agricultural College. Agricultural Experiment Station34
- Westigard, Peter H.34
- Oregon State University. College Of Forestry33
- Oregon. Department Of Fish And Wildlife32
- Et Al.31
- Walton, Vaughn M.25
- Oregon State College. Extension Service24