# Eleonora Udalska
**Wikidata**: [Q112110151](https://www.wikidata.org/wiki/Q112110151)  
**Source**: https://4ort.xyz/entity/eleonora-udalska


## References

1. IdRef
2. Polish Science
3. Polish Theater Encyclopedia
4. NUKAT
5. MAK
6. Virtual International Authority File
7. SHARE Catalogue
8. Bibliography of the History of the Czech Lands
9. Czech National Authority Database
10. CONOR.SI
11. National Library of Israel Names and Subjects Authority File