# Wilhelm Piotr Angerstein
**Wikidata**: [Q11837804](https://www.wikidata.org/wiki/Q11837804)  
**Source**: https://4ort.xyz/entity/wilhelm-piotr-angerstein


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. Virtual International Authority File
4. Sejm-Wielki.pl