# Johann Michael Frey
**Wikidata**: [Q38825830](https://www.wikidata.org/wiki/Q38825830)  
**Source**: https://4ort.xyz/entity/johann-michael-frey-q38825830


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Catalog of the German National Library
4. Virtual International Authority File
5. MAK