# Johannes Matthäus
**Wikidata**: [Q94781849](https://www.wikidata.org/wiki/Q94781849)  
**Source**: https://4ort.xyz/entity/johannes-matth-us


## References

1. Integrated Authority File
2. Hessian Biography
3. Catalog of the German National Library
4. CERL Thesaurus
5. Deutsche Biographie