Subject
- Agricultural mechanics -- California1
- Almanacs, American -- Oregon1
- Automobiles -- Societies, etc1
- Calendars -- Oregon1
- Champion trees -- United States1
- Clippings (Books, newspapers, etc.)1
- Historic trees -- United States1
- Industrial arts -- California1
- Industrial arts teachers -- Training of -- California1
- Oregon -- History -- Anecdotes1
- Trees -- United States1