# Stefan Ołpiński
**Wikidata**: [Q92467161](https://www.wikidata.org/wiki/Q92467161)  
**Source**: https://4ort.xyz/entity/stefan-o-pi-ski


## References

1. Czech National Authority Database
2. NUKAT
3. MAK
4. Auschwitz Prisoners Database
5. BnF authorities
6. Virtual International Authority File