# Gustav Hajčík
**Wikidata**: [Q95149793](https://www.wikidata.org/wiki/Q95149793)  
**Source**: https://4ort.xyz/entity/gustav-haj-k


## References

1. Czech National Authority Database
2. [The Fine Art Archive](https://cs.isabart.org/person/61860)
3. The Fine Art Archive
4. Virtual International Authority File
5. Bibliography of the History of the Czech Lands