# Zygmunt Kazimierz Piotrowski

> Polish historian

**Wikidata**: [Q9392933](https://www.wikidata.org/wiki/Q9392933)  
**Source**: https://4ort.xyz/entity/zygmunt-kazimierz-piotrowski


## References

1. Czech National Authority Database
2. Sejm-Wielki.pl