- Deloach, D. B. (Daniel Barton), 1904 3
- Oregon. State Game Commission. Basin Investigations Section3
- United States. Forest Service3
- Doty, Maxwell Stanford2
- Gilkey, Helen M., 1886 19722
- Hermann, Richard K.2
- Oregon State University. Water Resources Research Institute2
- Rada, Edward L.2
- Sanborn, Ethel I. (Ethel Ida), 1883 2
- Upper Willamette Resource Conservation And Development Project2
- Abdelkadir, Abdu1
- Allison, Ira Shimmin, 1895 1
- Assefa, Tewodros1
- Beaverton Diamond Jubilee Corp.1
- Belknap, George N. (George Nicholas), 1905 1
- Benedict, Warren V.1
- Bishaw, Badege1
- Bledsoe, C. S.1
- Bohart, George Edward1
- Bollen, Walter Beno, 1896 1