- Oregon Agricultural College. Experiment Station10
- Oregon Agricultural Experiment Station6
- Dugger, Katie M.5
- United States. Division Of Forestry5
- Baker, C. Scott4
- Benoit Bird, Kelly J.4
- Hamner, Rebecca M.4
- Indian War Veterans And Historical Society4
- Jose Perez Alvarez, Maria4
- Moraga, Rodrigo4
- Native Sons Of Oregon4
- Olavarria, Carlos4
- Oregon Agricultural College4
- Oregon Pioneer Association4
- Oregon State Agricultural College4
- Paredes, Rosana4
- Poulin, Elie4
- Shaw, G. W. (George Wright), 1864 4
- Suryan, Robert M.4
- Ackers, Steven H.3