# Johann Josef Hoffer
**Wikidata**: [Q55835910](https://www.wikidata.org/wiki/Q55835910)  
**Source**: https://4ort.xyz/entity/johann-josef-hoffer


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Catalog of the German National Library
4. datos.bne.es
5. MAK
6. [Source](http://datos.bne.es/persona/XX1766114.html)
7. Virtual International Authority File
8. [Source](http://www.musiklexikon.ac.at/ml/ml-beacon.txt)