- Forest Products Laboratory (U.S.)3
- Kotok, E. I.3
- Show, S. B. (Stuart Bevier), 1886 19633
- Bennett, Max, 1963 2
- Fitzgerald, Stephen Arthur2
- Fontaine, Joseph B.2
- Kennedy, Patricia L.2
- Oregon State University. Agricultural Experiment Station2
- Oregon State University. Extension Service2
- Orell, Bernard Leo2
- Thompson, Glenn2
- Truax, T. R. (Thomas Roy), 1886 2
- United States. Forest Service2
- United States. Forest Service. Northern Region2
- United States. Forest Service. Pacific Northwest Region2
- Walstad, John D.2
- Adams, Jesse C.1
- Agne, Michelle C.1
- Andrews, H. D.1
- Asher, James E.1