# Dymitr Czetwertyński-Światopełk
**Wikidata**: [Q9213601](https://www.wikidata.org/wiki/Q9213601)  
**Source**: https://4ort.xyz/entity/dymitr-czetwerty-ski-wiatope-k


## References

1. Catalog of the German National Library
2. CERL Thesaurus
3. Sejm-Wielki.pl
4. Virtual International Authority File