# Free Library of Philadelphia

> public library system in Philadelphia, Pennsylvania, USA

**Wikidata**: [Q3087288](https://www.wikidata.org/wiki/Q3087288)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Free_Library_of_Philadelphia)  
**Source**: https://4ort.xyz/entity/free-library-of-philadelphia


## References

1. US Public Library System Data File, FY 2017
2. [Source](https://www.charitynavigator.org/ein/521173474)
3. [US Public Library System Data File, FY 2020](https://www.imls.gov/research-evaluation/data-collection/public-libraries-survey)
4. GRID Release 2017-01-10
5. CiNii Research
6. [Source](https://www.urbanlibraries.org/about/library-members)
7. [Source](https://lyrasis.org/our-members/)
8. Public Library Outlet Data File, FY 2017
9. [Source](https://libwww.freelibrary.org/locations/parkway-central-library)
10. ROR release v1.19
11. Freebase Data Dumps. 2013
12. MusicBrainz
13. US Public Library System Data File, FY 2016
14. US Public Library System Data File, FY 2015
15. [Source](https://twitter.com/SarahHLib/lists/non-uk-libraries/members)
16. Google Knowledge Graph
17. [Source](http://km.aifb.kit.edu/services/crunchbase/)
18. Nonprofit Explorer
19. [Nonprofit Explorer](https://projects.propublica.org/nonprofits/organizations/521173474)
20. GRID Release 2016-05-31
21. GRID Release 2016-12-06
22. Aligned ISNI and Ringgold identifiers for institutions
23. YouTube API
24. Microsoft Academic Knowledge Graph
25. Virtual International Authority File
26. [Source](https://www.charitynavigator.org/index.cfm?bay=search.summary&orgid=3727&oldpage)
27. Name Suggestion Index
28. [Price One Penny](http://www.priceonepenny.info/database/view_libraries.php)
29. Digital Scriptorium Catalog