# Helena Witkowska
**Wikidata**: [Q65161530](https://www.wikidata.org/wiki/Q65161530)  
**Source**: https://4ort.xyz/entity/helena-witkowska


## References

1. Catalog of the German National Library
2. NUKAT
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. MAK
5. Virtual International Authority File