# Friedrich Hinrichs
**Wikidata**: [Q94891579](https://www.wikidata.org/wiki/Q94891579)  
**Source**: https://4ort.xyz/entity/friedrich-hinrichs


## References

1. Catalog of the German National Library
2. Czech National Authority Database
3. CERL Thesaurus
4. International Music Score Library Project
5. MAK
6. Virtual International Authority File