# Korneli Juliusz Heck
**Wikidata**: [Q99534407](https://www.wikidata.org/wiki/Q99534407)  
**Source**: https://4ort.xyz/entity/korneli-juliusz-heck


## References

1. Czech National Authority Database
2. NUKAT
3. Bibliography of the History of the Czech Lands
4. MAK
5. Sejm-Wielki.pl
6. VcBA (identifier)