- United States. Division Of Forestry10
- Fernow, B. E. (Bernhard Eduard), 1851 19235
- Oregon Agricultural Experiment Station3
- Shaw, G. W. (George Wright), 1864 3
- United States. Department Of Agriculture. Forestry Division3
- Fernow, B. E. (Bernhard Eduard), 1851 19232
- Oregon State Agricultural College. Experiment Station2
- Roth, Filibert, 1858 19252
- Tratman, E. E. R. (Edward Ernest Russell), 1863 2
- Abbe, Cleveland, 1838 19161
- Chittenden, F. H. (Frank Hurlbut), 1851 19231
- Coville, Frederick V. (Frederick Vernon), 1867 19371
- Curtis, George E. (George Edward)1
- Glazier, Willard W., 1841 19051
- Graves, Henry Solon, 1871 19511
- Harrington, Mark Walrod, 1848 19261
- Hill, Robert Thomas, 1858 19411
- Hopkins, A. D. (Andrew Delmar), 1857 19481
- Indian War Veterans And Historical Society1
- Keffer, Charles A. (Charles Albert), 1861 19351