Subject
- Western Dry Kiln Clubs. Meeting216
- Western Dry Kiln Association. Meeting124
- Oregon State University -- Curricula58
- Forests and forestry -- Oregon56
- Oregon State University. College of Forestry53
- Forests and forestry -- Northwest, Pacific44
- Forests and forestry -- Research -- Oregon39
- Industrial arts -- Study and teaching39
- Lumber -- Drying37
- Engineering23
- Oregon State University -- Handbooks, manuals, etc.23
- Douglas fir22
- Engineering -- Research -- Oregon21
- United States. Forest Service. Pacific Northwest Region21
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club21
- Agriculture -- Oregon19
- Reforestation -- Oregon19
- Forest products -- Research -- Oregon18
- Heat -- Transmission18
- Oregon State University. Forest Research Laboratory18