Culture or time period
- American cultures83 objects
- North American cultures81 objects
- North American native cultures76 objects
- California tribes61 objects
- Northern California tribes37 objects
- Old World (Africa, Asia and Europe)33 objects
- Classical Civilizations29 objects
- Classical Rome29 objects
- Northwestern California tribes29 objects
- Roman Empire (27 BC–395 AD)29 objects
- United Roman Empire (27 BC–394 AD)28 objects
- Asian cultures25 objects
- Klamath River Tribes25 objects
- East Asian cultures24 objects
- Chinese cultures22 objects
- Yurok21 objects
- Central California Tribes19 objects
- North Central California tribes19 objects
- Yuki19 objects
- Barracks Emperors (235–284 AD)16 objects