Collection place
- North America8 objects
- The Americas8 objects
- California7 objects
- United States7 objects
- Central Italy6 objects
- Europe6 objects
- Italy6 objects
- San Francisco Bay Area, California6 objects
- San Francisco County, California6 objects
- San Francisco Waterfront, San Francisco, San Francisco County6 objects
- San Francisco, San Francisco County, California6 objects
- Southern Europe6 objects
- Etruria (Historic), Central Italy5 objects
- Site N-5 (North Shore Pump Station), San Francisco Waterfront, San Francisco4 objects
- Abra Province, Cordillera Administrative Region, Luzon Island1 objects
- Asia1 objects
- CA-SBr-118, San Bernardino County, California1 objects
- Cordillera Administrative Region, Luzon Island, Luzon island group1 objects
- Cortona, Central Italy1 objects
- Luzon Island, Luzon island group, Philippines1 objects