- United States. Forest Service. Pacific Northwest Region. Thirty Year Club11
- United States. Forest Service5
- Osu Forestry Alumni Association4
- Williams, Gerald W.3
- Pinchot, Gifford, 1865 19462
- Abusaidi, Ali1
- Ahern, George Patrick, 1859 19421
- Atwood, Kay1
- Barnes, Will C. (Will Croft)1
- Beard, Ward Powers, 1892 1
- Blacker, Kem1
- Casamajor, Paul1
- Chapman, Herman Haupt, 1874 19631
- Chattahoochee National Forest (Agency : Ga.). Armuchee Ranger District (Ga.)1
- Chittenden, F. H. (Frank Hurlbut), 1851 19231
- Clar, C. Raymond1
- Edgerton, D. Priscilla (Daisy Priscilla Smith), 1868 1
- Fearrington, Tom1
- Fernow, B. E. (Bernhard Eduard), 1851 19231
- Forest History Society1