# Hans Geulen
**Wikidata**: [Q41711690](https://www.wikidata.org/wiki/Q41711690)  
**Source**: https://4ort.xyz/entity/hans-geulen


## References

1. Czech National Authority Database
2. [Source](https://kalliope-verbund.info/DE-611-BF-88618)
3. Virtual International Authority File
4. National Library of Israel Names and Subjects Authority File