# Zdeněk Kovalčík
**Wikidata**: [Q95449544](https://www.wikidata.org/wiki/Q95449544)  
**Source**: https://4ort.xyz/entity/zden-k-koval-k


## References

1. Czech National Authority Database
2. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000010400&local_base=svk04)
3. Virtual International Authority File
4. Register of registered legal entities maintained by the Ministry of Culture
5. Bibliography of the History of the Czech Lands