# Maria Czerkawska
**Wikidata**: [Q11768787](https://www.wikidata.org/wiki/Q11768787)  
**Source**: https://4ort.xyz/entity/maria-czerkawska


## References

1. IdRef
2. Virtual International Authority File
3. CiNii Research
4. Integrated Authority File
5. Sejm-Wielki.pl