- Oregon Agricultural College. Experiment Station6
- Oregon Agricultural Experiment Station6
- Lewis, C. I. (Claude Isaac), 1880 19244
- Indian War Veterans And Historical Society2
- Native Sons Of Oregon2
- Oregon Agricultural College2
- Oregon Pioneer Association2
- Oregon State Agricultural College2
- Oregon State Agricultural College. Experiment Station2
- United States. Forest Service2
- Vincent, C. C. (Clarence Cornelius), 1884 19342
- Allen, R. W. (Ralph Wilmer), 1885 1
- Bennett, S. L. (Samuel Louis)1
- Chapman, Charles Hiram, 1859 1
- Christiansen, Conrad1
- Cordley, A. B. (Arthur Burton), 1864 19361
- Douthit, Mary Osborn1
- Hopkins, A. D. (Andrew Delmar), 1857 19481
- Hyskell, C. M.1
- Jusserand, J. J. (Jean Jules), 1855 19321