- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)49
- Moravets, F. L.18
- Pacific Northwest Forest Experiment Station (Portland, Or.)10
- Buell, Edward D.8
- Spada, Benjamin7
- Conard, Susan G.3
- Emmingham, William H.3
- Oregon State University. Forest Research Laboratory3
- Bones, James T.2
- Gedney, Donald R.2
- Lauridsen, M. J.2
- Twerdal, Melvin P.2
- United States. Forest Service. Pacific Northwest Region2
- Berger, John M.1
- Bolles, W. H.1
- Briegleb, Philip A.1
- Briegleb, Philip A. (Philip Anthes), 1906 19961
- Cameron, J. O.1
- Clausnitzer, Rodrick R.1
- Crowe, Elizabeth A. (Elizabeth Ann), 1963 1