# Antoni Karol Jan Kostecki
**Wikidata**: [Q97621502](https://www.wikidata.org/wiki/Q97621502)  
**Source**: https://4ort.xyz/entity/antoni-karol-jan-kostecki


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. [Source](https://www.ipsb.nina.gov.pl/a/biografia/antoni-karol-jan-kostecki)