# Jacek Olczyk
**Wikidata**: [Q112519234](https://www.wikidata.org/wiki/Q112519234)  
**Source**: https://4ort.xyz/entity/jacek-olczyk


## References

1. [Source](https://katalog.bip.ipn.gov.pl/informacje/139849)
2. Czech National Authority Database
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)