# Heinrich Grünfeld
**Wikidata**: [Q94792416](https://www.wikidata.org/wiki/Q94792416)  
**Source**: https://4ort.xyz/entity/heinrich-gr-nfeld-q94792416


## References

1. Geni.com
2. Integrated Authority File
3. Catalog of the German National Library
4. [Source](https://memorial-rotary.de/members/2357)
5. Deutsche Biographie
6. [Source](https://www.kreislandeshut.de/landeshut/die-juedische-gemeinde/familie-gruenfeld/)