# Ludwik Krzyżanowski
**Wikidata**: [Q17426499](https://www.wikidata.org/wiki/Q17426499)  
**Source**: https://4ort.xyz/entity/ludwik-krzy-anowski


## References

1. BnF authorities
2. general catalog of BnF
3. Virtual International Authority File
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Library of Congress Authorities
6. National Library of Israel Names and Subjects Authority File
7. Catalogo of the National Library of India