Culture or time period
- Phase 2, Late Horizon: Mosher facies (1500 AD–contact)4 objects
- Upper Emergent Period of California (1500–1800 AD)4 objects
- Classic Era, Mesoamerica (200–1000 AD)3 objects
- Olmec3 objects
- Preclassic Era, Mesoamerica (1800 BC–200 AD)3 objects
- Northeastern California tribes2 objects
- Wiyot2 objects
- Archaic Period of California (6000 BC–1000 AD)1 objects
- Central California Tribes1 objects
- Early Horizon: Windmiller Culture1 objects
- Early Horizon: Windmiller Culture, phase 51 objects
- Eastern Miwok1 objects
- Ica sequence1 objects
- Klamath Lake1 objects
- Late Ica I period1 objects
- Middle Archaic Period of California (3000–500 BC)1 objects
- Miwok1 objects
- Modoc1 objects
- North Central California tribes1 objects
- Sierra Miwok1 objects