Collection place
- The Americas751 objects
- North America748 objects
- United States735 objects
- California707 objects
- San Francisco Bay Area, California537 objects
- Contra Costa County, California250 objects
- Marin County, California163 objects
- Unincorporated western Contra Costa County, California147 objects
- CA-CCo-151, El Sobrante, Contra Costa County144 objects
- El Sobrante, Contra Costa County, California144 objects
- Alameda County, California91 objects
- Oakley, Contra Costa County, California82 objects
- CA-CCo-138, Oakley, Contra Costa County80 objects
- Northern California80 objects
- Southern California80 objects
- CA-Mrn-168, Marin County, California76 objects
- Berkeley, Alameda County, California66 objects
- CA-Ala-307, Berkeley, Alameda County66 objects
- West Berkeley, Berkeley, Alameda County66 objects
- North Central California57 objects