# Leszek Siemion
**Wikidata**: [Q111024994](https://www.wikidata.org/wiki/Q111024994)  
**Source**: https://4ort.xyz/entity/leszek-siemion


## References

1. Virtual International Authority File
2. Integrated Authority File
3. NUKAT
4. MAK
5. Czech National Authority Database
6. National Library of Israel Names and Subjects Authority File