# Siegfried Ulbrich
**Wikidata**: [Q112438667](https://www.wikidata.org/wiki/Q112438667)  
**Source**: https://4ort.xyz/entity/siegfried-ulbrich-q112438667


## References

1. Czech National Authority Database
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. Virtual International Authority File