# Jan Leon Ziółkowski
**Wikidata**: [Q16561534](https://www.wikidata.org/wiki/Q16561534)  
**Source**: https://4ort.xyz/entity/jan-leon-zi-kowski


## References

1. Integrated Authority File
2. Faceted Application of Subject Terminology
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Virtual International Authority File
5. Library of Congress Authorities
6. Sejm-Wielki.pl