- Forest Products Laboratory (U.S.)21
- Oregon Agricultural College. Experiment Station13
- Ritter, George J.6
- Fleck, Louis Carl4
- Bray, Mark W.3
- Browne, F. L. (Frederick Lincoln), 1895 2
- Johnson, R. P. A. (Robert Pilson Albert), 1888 2
- Newlin, J. A. (John A.), 1872 19432
- Oregon Agricultural College. Alumni Association2
- Oregon Agricultural College. Extension Service2
- Oregon State Agricultural College. Agricultural Experiment Station2
- Oregon State College. Extension Service2
- Powers, W. L. (Wilbur Louis), 18872
- Reimer, F. C. (Frank Charles), 1881 2
- United States. Forest Service. Northern Region2
- Ahern, George Patrick, 1859 19421
- Andrews, T. M.1
- Automobile Club Of Oregon1
- Boals, Gordon Porter1
- Bonar, Freda Carbaugh1