# Siegfried Grauwinkel
**Wikidata**: [Q112534019](https://www.wikidata.org/wiki/Q112534019)  
**Source**: https://4ort.xyz/entity/siegfried-grauwinkel


## References

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