- Indian War Veterans And Historical Society3
- Lake, E. R. (Edward Ralph), B. 18603
- Native Sons Of Oregon3
- Oregon Agricultural Experiment Station3
- Oregon Pioneer Association3
- Oregon State Agricultural College2
- Oregon State Agricultural College. Experiment Station2
- Allen, R. W. (Ralph Wilmer), 1885 1
- Bruce, Eugene S. (Eugene Sewell), 1869 19201
- Douthit, Mary Osborn1
- Gray, Greta India1
- Hansell, Lora1
- Hosmer, Ralph S. (Ralph Sheldon), 1874 19631
- Lewis, C. I. (Claude Isaac), 1880 19241
- Long Range Planning Conference (1968 : Yamhill County, Or.)1
- Newell, Frederick Haynes, 1862 19321
- Oregon Agricultural College1
- Oregon Agricultural College. Experiment Station1
- Oregon State University. Extension Service1
- Pierce, Ralph Hillar1