- Oregon Agricultural Experiment Station27
- Oregon Agricultural College. Experiment Station17
- Pernot, E. F. (Emile Francis), 18598
- United States. Division Of Forestry8
- Withycombe, James, 1854 6
- Hopkins, A. D. (Andrew Delmar), 1857 19485
- Lewis, C. I. (Claude Isaac), 1880 19245
- Cordley, A. B. (Arthur Burton), 1864 19364
- Kent, F. L. (Fred Leroy), 1868 4
- Knisely, A. L. (Abraham Lincoln), 1865 4
- Oregon State Agricultural College4
- Oregon State Agricultural College. Experiment Station4
- United States. Bureau Of Entomology4
- Indian War Veterans And Historical Society3
- Lake, E. R. (Edward Ralph), B. 18603
- Native Sons Of Oregon3
- Oregon Pioneer Association3
- Baker, Walter Rawalt2
- Christiansen, Conrad2
- Coote, George, 1842 19082