# Szymon Słomczyński
**Wikidata**: [Q21288240](https://www.wikidata.org/wiki/Q21288240)  
**Source**: https://4ort.xyz/entity/szymon-s-omczy-ski


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb16922932j)
2. Czech National Authority Database
3. general catalog of BnF
4. Virtual International Authority File
5. Library of Congress Authorities
6. Sejm-Wielki.pl