Subject
- Game and game-birds -- Oregon4
- Game protection -- Oregon4
- Alkaloids -- Synthesis1
- Chiefdoms -- Ecuador -- History1
- Codeine -- Synthesis1
- Diffusion1
- Ecuador -- Antiquities1
- Electrolyte solutions -- Mathematical models1
- Emergency food supply1
- Emergency management1
- Emergency water supply1
- Excavations (Archaeology) -- Ecuador1
- Herbicides1
- Human settlements -- Ecuador -- History1
- Indian pottery -- Ecuador -- History1
- Indians of South America -- Commerce -- Ecuador -- History1
- Indians of South America -- Ecuador -- Antiquities1
- Morphine -- Synthesis1
- Northwest, Pacific -- History1
- Preparedness1