# Guido Hartmann
**Wikidata**: [Q27967499](https://www.wikidata.org/wiki/Q27967499)  
**Source**: https://4ort.xyz/entity/guido-hartmann


## References

1. Integrated Authority File
2. [Source](https://kalliope-verbund.info/DE-611-BF-117931)
3. Virtual International Authority File