- Oregon State Board Of Forestry6
- Bever, Dale N.3
- Oregon State University. Forest Research Laboratory3
- Lavender, Denis P.2
- Engstrom, W. H.1
- Hawkes, Carl L.1
- Helgerson, O. T.1
- Hermann, R.K.1
- Hobbs, S. D. (Stephen D.)1
- Hooven, Edward F. (Edward Frank)1
- Kangur, Rudolph1
- Mason, Benjamin J.1
- Nolan, Karen S.1
- Oregon Forest Research Center1
- Oregon State University. Agricultural Experiment Station1
- Oregon State University. Cooperative Extension Service1
- Southwest Oregon Forestry Intensified Research Program1
- Streeby, Larry1
- United States. Forest Service1
- Woods, John B. (John Burton), 1890 1