# Hans Haagen
**Wikidata**: [Q95397198](https://www.wikidata.org/wiki/Q95397198)  
**Source**: https://4ort.xyz/entity/hans-haagen


## References

1. Czech National Authority Database
2. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000013567&local_base=svk04)
3. BillionGraves
4. Virtual International Authority File
5. Bibliography of the History of the Czech Lands