# Klaus Hirtner
**Wikidata**: [Q108811309](https://www.wikidata.org/wiki/Q108811309)  
**Source**: https://4ort.xyz/entity/klaus-hirtner


## References

1. Virtual International Authority File
2. Integrated Authority File
3. [Source](https://www.dla-marbach.de/find/opac/id/PE00020524)