# Stefan Sieczkowski
**Wikidata**: [Q96123174](https://www.wikidata.org/wiki/Q96123174)  
**Source**: https://4ort.xyz/entity/stefan-sieczkowski


## References

1. Database of the Terezín Memorial
2. Virtual International Authority File
3. [Source](https://www.ipsb.nina.gov.pl/a/biografia/stefan-sieczkowski)