# Józef Mateusz Birnbaum
**Wikidata**: [Q11730922](https://www.wikidata.org/wiki/Q11730922)  
**Source**: https://4ort.xyz/entity/j-zef-mateusz-birnbaum


## References

1. Integrated Authority File
2. CERL Thesaurus
3. Sejm-Wielki.pl