# Michael Kalkstein

> German politician (1830-1911)

**Wikidata**: [Q1929981](https://www.wikidata.org/wiki/Q1929981)  
**Source**: https://4ort.xyz/entity/michael-kalkstein


## References

1. Integrated Authority File
2. Virtual International Authority File
3. [Source](https://www.porta-polonica.de/pl/lexikon/kalkstein-michal)
4. CERL Thesaurus