# Józef Kazimierz Piątkowski

> Polish teacher, social activist

**Wikidata**: [Q98018047](https://www.wikidata.org/wiki/Q98018047)  
**Source**: https://4ort.xyz/entity/j-zef-kazimierz-pi-tkowski


## References

1. Czech National Authority Database
2. [Source](https://www.ipsb.nina.gov.pl/a/biografia/jozef-kazimierz-piatkowski)
3. Sejm-Wielki.pl