Subject
- Acoustic surface wave devices1
- Agriculture -- Study and teaching (Middle school) -- Oregon -- Public opinion1
- Agriculture -- Study and teaching (Secondary) -- Oregon -- Public opinion1
- Agriculture teachers -- Oregon -- Attitudes1
- Autonomous robots -- Design and construction1
- Black Panther Party1
- Civil rights movements -- United States1
- Detectors -- Design and construction1
- Drone aircraft -- Design and construction1
- Helicopters -- Design and construction1
- Magnetic fields1
- Social movements -- Philosophy1
- Student teachers -- Oregon -- Attitudes1