# Joseph Ahlhaus
**Wikidata**: [Q55678701](https://www.wikidata.org/wiki/Q55678701)  
**Source**: https://4ort.xyz/entity/joseph-ahlhaus


## References

1. Integrated Authority File
2. Czech National Authority Database
3. [Source](https://kalliope-verbund.info/DE-611-BF-124827)
4. Virtual International Authority File