# Piotr Filipkowski
**Wikidata**: [Q95321210](https://www.wikidata.org/wiki/Q95321210)  
**Source**: https://4ort.xyz/entity/piotr-filipkowski


## References

1. Czech National Authority Database
2. Catalog of the German National Library
3. Virtual International Authority File
4. National Library of Israel Names and Subjects Authority File