Culture or time period
- American cultures7 objects
- North American cultures7 objects
- North American native cultures7 objects
- California tribes6 objects
- Northern California tribes5 objects
- Old World (Africa, Asia and Europe)4 objects
- Northeastern California tribes3 objects
- Paleolithic and Mesolithic3 objects
- Northwestern California tribes2 objects
- Yana2 objects
- Central California Tribes1 objects
- Classic Era, Mesoamerica (200–1000 AD)1 objects
- Howieson's Poort1 objects
- Klamath Lake1 objects
- Klamath River Tribes1 objects
- Magosian1 objects
- Mesoamerican chronology1 objects
- Modoc1 objects
- Mousterian1 objects
- Neolithic1 objects