Subject
- Excavations (Archaeology) -- Oregon -- Fort Yamhill2
- Fort Yamhill (Or.) -- Antiquities2
- Fort Yamhill (Or.) -- History -- 19th century2
- Military archaeology -- Oregon -- Fort Yamhill2
- Animals and civilization -- United States -- History1
- Archaeological geology -- Northwest, Pacific1
- Archaeology -- Methodology1
- Beneficial insects -- United States -- History1
- Big Bend (Or.), Battle of, 18561
- Boarding schools -- Oregon -- Saint Paul -- History -- 19th century1
- Catholic Church -- Missions -- Oregon -- Saint Paul1
- Catholic schools -- Oregon -- Saint Paul -- History -- 19th century1
- Cemeteries -- Oregon -- Saint Paul1
- Champoeg (Or.) -- Antiquities1
- Champoeg State Park (Or.) -- Antiquities1
- Church of Jesus Christ of Latter-Day Saints -- Buildings -- Design and construction -- History1
- Clay tobacco pipes--Fort Hoskins Site (Or.)1
- Clay tobacco pipes--Fort Yamhill (Or.)1
- Copeland Site (Corvallis, Or.)1
- Corvallis (Or.) -- Antiquities1