# Johann Anton Rudolph Janssen
**Wikidata**: [Q19506616](https://www.wikidata.org/wiki/Q19506616)  
**Source**: https://4ort.xyz/entity/johann-anton-rudolph-janssen


## References

1. Integrated Authority File
2. [Source](https://kalliope-verbund.info/DE-611-BF-89012)
3. Virtual International Authority File