- U.S. International Biological Program. Coniferous Forest Biome58
- University Of Washington43
- Edmonds, Robert L.7
- Mcintire, C. David5
- Oregon State University. Forest Research Laboratory5
- Waring, Richard H.5
- Welch, E. B. (Eugene B.)5
- Filip, Gregory M.4
- Gessel, Stanley P.4
- Taub, F. B. (Frieda B.)4
- United States. Forest Service. Northern Region. State & Private Forestry4
- United States. Forest Service. Pacific Northwest Region4
- Berg, Alan B.3
- Campbell, Allan, 1936 3
- Dyrness, C. T.3
- Franklin, Jerry F.3
- Fredriksen, R. L.3
- Gregory, S. V.3
- Hagle, Susan K.3
- Halverson, Nancy M.3