# Gerard de Groos
**Wikidata**: [Q55773393](https://www.wikidata.org/wiki/Q55773393)  
**Source**: https://4ort.xyz/entity/gerard-de-groos


## References

1. Biographical Dictionary of the History of the Czech Lands
2. Union List of Artist Names
3. [Source](http://digital.belvedere.at/people/8081/)
4. Czech National Authority Database
5. NUKAT
6. Provenio