# San Francisco Opera

> opera company in San Francisco, California, United States

**Wikidata**: [Q390354](https://www.wikidata.org/wiki/Q390354)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/San_Francisco_Opera)  
**Source**: https://4ort.xyz/entity/san-francisco-opera


## References

1. [Source](https://www.charitynavigator.org/ein/940836240)
2. [Source](http://viaf.org/viaf/data/viaf-20170101-links.txt.gz)
3. Virtual International Authority File
4. BnF authorities
5. CiNii Research
6. Freebase Data Dumps. 2013
7. Google Knowledge Graph
8. [Source](https://www.sfopera.com/)
9. Nonprofit Explorer
10. [Nonprofit Explorer](https://projects.propublica.org/nonprofits/organizations/940836240)
11. Quora
12. Aligned ISNI and Ringgold identifiers for institutions
13. [Source](https://www.charitynavigator.org/index.cfm?bay=search.summary&orgid=4433&oldpage)
14. YouTube API