# Leona M. and Harry B. Helmsley Charitable Trust

> American nonprofit foundation

**Wikidata**: [Q7746933](https://www.wikidata.org/wiki/Q7746933)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/The_Leona_M._and_Harry_B._Helmsley_Charitable_Trust)  
**Source**: https://4ort.xyz/entity/leona-m-and-harry-b-helmsley-charitable-trust


## References

1. Global LEI Index
2. [Source](https://helmsleytrust.org/contact-us)
3. GRID Release 2017-01-10
4. [Source](http://www.orfg.org/members/)
5. [Source](https://helmsleytrust.org/history/our-history#slide-1)
6. ROR release v1.19
7. Google Knowledge Graph
8. GRID Release 2015-12-14
9. GRID Release 2016-12-06
10. Aligned ISNI and Ringgold identifiers for institutions
11. Microsoft Academic Knowledge Graph
12. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)