# Władysław Pniewski
**Wikidata**: [Q18578553](https://www.wikidata.org/wiki/Q18578553)  
**Source**: https://4ort.xyz/entity/w-adys-aw-pniewski


## References

1. IdRef
2. Czech National Authority Database
3. Virtual International Authority File
4. Library of Congress Authorities
5. Sejm-Wielki.pl