- Oregon State University. Agricultural Experiment Station18
- Western Dry Kiln Clubs14
- Western Dry Kiln Clubs. Meeting (27th : 1976)14
- Oregon State University. Forest Research Laboratory13
- United States. Forest Service. Northern Region. State & Private Forestry13
- Oregon. Dept. Of Geology And Mineral Industries12
- Mcgregor, Mark D.7
- Hamel, Dennis R.6
- Oregon State University. Extension Service6
- Beaulieu, John D.3
- Donheffner, Paul E.3
- Dykstra, Dennis P.3
- Johnson, M. J. (Malcolm Julius)3
- Lood, Rudolph C.3
- Mason, Ralph S.3
- Murphy, Bill (William Michael)3
- Davidson, T. P.2
- Dooling, Oscar J.2
- Hull, Donald A.2
- Komar, Paul D., 1939 2