# Helena Szwejkowska

> Polish historian

**Wikidata**: [Q11708835](https://www.wikidata.org/wiki/Q11708835)  
**Source**: https://4ort.xyz/entity/helena-szwejkowska


## References

1. BnF authorities
2. Czech National Authority Database
3. general catalog of BnF
4. Virtual International Authority File
5. Sejm-Wielki.pl
6. National Library of Israel Names and Subjects Authority File