- Oregon State University. Extension Service14
- Sutherland, Charles F.7
- Oregon State University. Forest Research Laboratory6
- Bennett, Max, 1963 2
- Fischer, Alexandra Paige2
- Fitzgerald, Stephen Arthur2
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)2
- Acker, Steven A.1
- Adams, Darius Mainard, 1944 1
- Alig, Ralph J.1
- Anderson, Stanley H.1
- Anthony, Christopher R.1
- Arnett, Edward B.1
- Barry, Amy Marie1
- Bell, John F.1
- Bondi, Michael C.1
- Bord, Andrea J.1
- Brodie, J. Douglas (John Douglas), 1938 1
- Cannon, T. Lincoln1
- Clifton, Thomas1