- Oregon State College. Federal Cooperative Extension Service156
- Oregon State College. Agricultural Experiment Station135
- Oregon. State Game Commission77
- Forest Products Laboratory (U.S.)30
- Oregon State University. Agricultural Experiment Station25
- Oregon State College. Federal Cooperative Extension Service20
- Warren, Rex19
- Bogart, Ralph, 1908 15
- Oregon Forest Products Laboratory14
- Huber, M. G.13
- Oregon State College. Extension Service12
- Oregon State College. Engineering Experiment Station11
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)9
- Carter, Myrtle Miller8
- Freed, Virgil H. (Virgil Haven), 1919 8
- Lavender, Denis P.8
- Oregon Forest Lands Research Center8
- Oregon State Board Of Forestry8
- Bennion, N. L. (Noel Lindsay), 1903 7
- Clark, R. Ralph7