Subject
- Box beams -- Design and construction4
- Buckling (Mechanics)3
- Box beams -- Testing2
- Fireproofing of wood2
- Plywood construction2
- Range management -- Oregon2
- Ryegrasses -- Fertilizers -- Oregon, Western2
- Strength of materials2
- Wheatgrasses -- Effect of climate on2
- Wheatgrasses -- Effect of drought on2
- Wood -- Mechanical properties2
- Wood -- Testing2
- Wood bending2
- Agricultural pests -- Control -- Congresses1
- Airplane -- Wings -- Design and construction1
- Airplanes, Wooden -- Design and construction1
- Apples -- Diseases and pests1
- Arches1
- Barrels -- Evaluation1
- Beans -- Varieties1