# Karl-Heinz Ludwig
**Wikidata**: [Q95321476](https://www.wikidata.org/wiki/Q95321476)  
**Source**: https://4ort.xyz/entity/karl-heinz-ludwig


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. Virtual International Authority File
4. CiNii Research
5. VIAF ID
6. Niedersächsische Personen