# Historical Society of Pennsylvania

> historical society and special collections library in Philadelphia, Pennsylvania, USA

**Wikidata**: [Q5773954](https://www.wikidata.org/wiki/Q5773954)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Historical_Society_of_Pennsylvania)  
**Source**: https://4ort.xyz/entity/historical-society-of-pennsylvania


## References

1. GRID Release 2017-01-10
2. Virtual International Authority File
3. [Source](https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf)
4. [Source](https://irla.lindahall.org/)
5. [Source](https://pamuseums.org/museum-directory/)
6. Czech National Authority Database
7. [Source](http://www.hsp.org/)
8. [Source](https://www.portal.hsp.org/)
9. Nonprofit Explorer
10. GRID Release 2015-12-14
11. GRID Release 2016-12-06
12. [Source](https://snaccooperative.org/)
13. Microsoft Academic Knowledge Graph
14. [Nonprofit Explorer](https://projects.propublica.org/nonprofits/organizations/231352322)
15. FactGrid
16. National Library of Israel Names and Subjects Authority File