# Janusz Pietkiewicz
**Wikidata**: [Q11720398](https://www.wikidata.org/wiki/Q11720398)  
**Source**: https://4ort.xyz/entity/janusz-pietkiewicz


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb161914758)
2. general catalog of BnF
3. Virtual International Authority File
4. BnF authorities