# Jan Kassovic
**Wikidata**: [Q110215626](https://www.wikidata.org/wiki/Q110215626)  
**Source**: https://4ort.xyz/entity/jan-kassovic


## References

1. IdRef
2. Czech National Authority Database
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Bibliography of the History of the Czech Lands
5. SNK authority file