Creator
- Oregon State University. Extension Service1,089
- Oregon State College. Agricultural Experiment Station485
- Oregon State University. Agricultural Experiment Station225
- Pacific Northwest Cooperative Extension188
- Oregon State University. Cooperative Extension Service177
- United States. Department Of Agriculture123
- Washington State University. Cooperative Extension100
- Oregon State College. Federal Cooperative Extension Service98
- Washington State University. Extension93
- University Of Idaho. Cooperative Extension Service85
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)84
- University Of Idaho. Extension83
- Oregon State University. Extension Service/Marine Advisory Program72
- Oregon. Forest Lands Research Center, Corvallis59
- United States. Forest Service57
- Mote, Don C. (Don Carlos), 1887 49
- Hart, John M. (John Mervyn), 1947 48
- Gardner, Ernest Hugh47
- Upper Willamette Resource Conservation And Development Project44
- Oregon Agricultural College. Experiment Station42