Creator
- Oregon State University. Extension Service321
- Oregon State University. Agricultural Experiment Station263
- Oregon. State Game Commission141
- Oregon State University95
- Jackson, T. L. (Thomas Lloyd), 1922 77
- Oregon State University. Forest Research Laboratory76
- Oregon State College. Federal Cooperative Extension Service71
- Oregon State College. Agricultural Experiment Station69
- Oregon. Dept. Of Geology And Mineral Industries63
- Jackson, T. L.58
- Gardner, E. Hugh57
- Oregon Agricultural College. Experiment Station56
- Oregon. Department Of Fish And Wildlife52
- Pscheidt, Jay W.51
- Oregon State University. College Of Forestry49
- Oregon State Agricultural College. Agricultural Experiment Station41
- Southern Oregon Agricultural Experiment Station40
- Mote, Philip W.39
- Oregon State University. Water Resources Research Institute38
- Gardner, Ernest Hugh37