# Heinrich Hayd
**Wikidata**: [Q55134300](https://www.wikidata.org/wiki/Q55134300)  
**Source**: https://4ort.xyz/entity/heinrich-hayd


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. [Source](https://www.deutsche-biographie.de/sfz28420.html)
4. Virtual International Authority File