# Maurycy Urstein
**Wikidata**: [Q11771800](https://www.wikidata.org/wiki/Q11771800)  
**Source**: https://4ort.xyz/entity/maurycy-urstein


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. Sejm-Wielki.pl
4. National Library of Israel Names and Subjects Authority File