# Marian Szyjkowski
**Wikidata**: [Q19690530](https://www.wikidata.org/wiki/Q19690530)  
**Source**: https://4ort.xyz/entity/marian-szyjkowski


## References

1. Czech National Authority Database
2. The Fine Art Archive
3. Virtual International Authority File
4. CiNii Research
5. IdRef
6. Sejm-Wielki.pl
7. Bibliography of the History of the Czech Lands
8. Provenio