# Piotr Jaxa Bykowski
**Wikidata**: [Q11817564](https://www.wikidata.org/wiki/Q11817564)  
**Source**: https://4ort.xyz/entity/piotr-jaxa-bykowski


## References

1. Integrated Authority File
2. CERL Thesaurus
3. Virtual International Authority File
4. e-teatr.pl
5. Sejm-Wielki.pl