Subject
- Excavations (Archaeology) -- Oregon -- Fort Yamhill2
- Fort Hoskins Site (Or.)2
- Fort Yamhill (Or.) -- Antiquities2
- Fort Yamhill (Or.) -- History -- 19th century2
- Military archaeology -- Oregon -- Fort Yamhill2
- Aesthetics, Turkish -- Turkey1
- Agriculture -- Economic aspects -- China -- Sichuan Sheng1
- Agriculture -- Environmental aspects -- Ecuador -- Case studies1
- Agriculture -- Social aspects -- Ecuador -- Case studies1
- Agroforestry projects -- Ecuador -- Cebadas -- Public opinion1
- Allied mental health personnel -- Oregon -- Portland -- Psychology -- Case studies1
- Alternative agriculture -- Ecuador -- Case studies1
- Americans -- Attitudes1
- Americans -- Employment -- China1
- Animal remains (Archaeology) -- Oregon1
- Animal rights activists1
- Animal rights movement1
- Animals and civilization -- United States -- History1
- Anthropometry1
- Archaeological geology -- Oregon -- Upper Klamath Lake Watershed1