- Oregon. State Game Commission39
- Forest Products Laboratory (U.S.)23
- Oregon State College. Agricultural Experiment Station14
- Oregon State College. Engineering Experiment Station13
- Blew, Joseph Oscar, 1904 9
- Oregon Forest Lands Research Center8
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club8
- Markwardt, L. J. (Lorraine Joseph), 1889 6
- Oregon State College. Extension Service6
- Osc Oregon Forestry Alumni Association5
- American Society Of Civil Engineers. Student Chapter4
- Lavender, Denis P.4
- Northwest Conference On Road Building4
- Oregon State College. School Of Engineering4
- Clayton, Leslie Allison, 1919 3
- Gish, Norville R.3
- Kulp, John W.3
- Lane County Pioneer Historical Society (Or.)3
- Oregon. Fish Commission3
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)3