- American cultures8,565 objects
- North American cultures8,550 objects
- North American native cultures8,491 objects
- California tribes6,515 objects
- Central California Tribes2,461 objects
- Northern California tribes2,255 objects
- North Central California tribes2,173 objects
- Northwestern California tribes1,688 objects
- California Desert tribes1,351 objects
- Mohave1,350 objects
- Klamath River Tribes1,349 objects
- Yurok975 objects
- Great Basin cultures838 objects
- Southwest North American cultures751 objects
- Southwestern Native American751 objects
- Miwok722 objects
- Pomo694 objects
- Eastern Miwok569 objects
- Sierra Miwok568 objects
- Northeastern California tribes559 objects