- Oregon Agricultural College. Alumni Association2
- Carey, Charles Henry1
- Flandrau, Grace C. Hodgson1
- Great Northern Railway Company (U.S.)1
- Hayden, Alice Hazel, 1909 19941
- Hopping, George R.1
- Long Range Planning Conference (1926 : Umatilla County, Or.)1
- Meany, Edmond S. (Edmond Stephen), 1862 19351
- Moores, Charles B.1
- Neff, Johnson Andrew1
- Oregon State Agricultural College1
- Oregon State College. Extension Service1
- Skinner, Constance Lindsay, 1882 19391
- Trail To Rail Association (Eugene, Or.)1
- Umatilla County (Or.)1