# Zbigniew Madej
**Wikidata**: [Q9388122](https://www.wikidata.org/wiki/Q9388122)  
**Source**: https://4ort.xyz/entity/zbigniew-madej


## References

1. Integrated Authority File
2. Personal Authority Wikibase of the Czech Republic
3. Czech National Authority Database
4. Catalog of the German National Library
5. Virtual International Authority File