# Bronisław Kostkowski

> Polish Roman Catholic seminarian and martyr (1915–1942)

**Wikidata**: [Q4235454](https://www.wikidata.org/wiki/Q4235454)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bronisław_Kostkowski)  
**Source**: https://4ort.xyz/entity/bronis-aw-kostkowski


## References

1. GCatholic.org
2. Ökumenisches Heiligenlexikon
3. [Source](https://www.santiebeati.it/dettaglio/93108)
4. FactGrid