# Marcel Sladkowski
**Wikidata**: [Q67667406](https://www.wikidata.org/wiki/Q67667406)  
**Source**: https://4ort.xyz/entity/marcel-sladkowski


## References

1. Czech National Authority Database
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. Virtual Study of Theatre Institute
4. Bibliography of the History of the Czech Lands