- Oregon State College. Extension Service11
- Forest Products Laboratory (U.S.)9
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club8
- Oregon State College. Agricultural Experiment Station7
- Osc Oregon Forestry Alumni Association7
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)7
- Oregon. Fish Commission5
- Blomquist, Richard Frederick, 1912 4
- Kirsch, R. K. (Richard Kneale), 1923 4
- Oregon State College. Engineering Experiment Station4
- American Society Of Civil Engineers. Student Chapter2
- Davis, James Wendell2
- Ellertson, Floyd Elroy2
- Gedney, Donald R.2
- Gish, Norville R.2
- Hatch, Melville Harrison, 1898 2
- Hill, Marvin Francis2
- Jackson, T. L. (Thomas Lloyd), 1922 2
- Lane County Pioneer Historical Society (Or.)2
- Lapore, Richard Francis2