# Karl-Heinz Mattern
**Wikidata**: [Q94827722](https://www.wikidata.org/wiki/Q94827722)  
**Source**: https://4ort.xyz/entity/karl-heinz-mattern


## References

1. Catalog of the German National Library
2. [Source](https://www.munzinger.de/search/go/document.jsp?id=00000015485)
3. Virtual International Authority File