- Oregon. State Game Commission21
- Oregon State College. Extension Service19
- Forest Products Laboratory (U.S.)11
- Oregon State College. Engineering Experiment Station9
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club6
- American Society Of Civil Engineers. Student Chapter4
- Northwest Conference On Road Building4
- Oregon State College. School Of Engineering4
- Osc Oregon Forestry Alumni Association4
- Oregon Forest Products Laboratory3
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)3
- Western Dry Kiln Clubs3
- Barker, Burt Brown, 1873 19692
- Blew, Joseph Oscar, 1904 2
- Graham, Robert D.2
- Mason, Beverley Francis2
- Oregon State College. Federal Cooperative Extension Service2
- Petersen, Harold Ernest2
- Storvick, Clara A. (Clara Amanda), 1906 2
- [Author Not Identified]1