# Witold Niewiadomski
**Wikidata**: [Q9375785](https://www.wikidata.org/wiki/Q9375785)  
**Source**: https://4ort.xyz/entity/witold-niewiadomski


## References

1. Integrated Authority File
2. Virtual International Authority File
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. [Source](http://czlonkowie.pan.pl/czlonkowie/sites/WynikiWyszukiwania.html?s=NIEWIADOMSKI,%20Witold%20)
5. Sejm-Wielki.pl
6. National Library of Israel Names and Subjects Authority File