- Forest Products Laboratory (U.S.)42
- Oregon State College. Agricultural Experiment Station28
- Oregon State College. Federal Cooperative Extension Service28
- Oregon. State Game Commission14
- Western Dry Kiln Clubs13
- Western Dry Kiln Clubs. Meeting (7th : 1955 : Klamath Falls, Or.)13
- Oregon State Board Of Forestry6
- Oregon State College. Federal Cooperative Extension Service6
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)6
- Oregon Forest Products Laboratory5
- Oregon State University. Agricultural Experiment Station4
- Peck, Edward C. (Edward Coit), 1894 4
- Clark, R. Ralph3
- Oregon State College. Engineering Experiment Station3
- Oregon. Fish Commission3
- Bruce, H. D.2
- Carter, Myrtle Miller2
- Eickner, Herbert W.2
- Every, R. W.2
- Hooven, Edward F. (Edward Frank)2