# Ernst Urban Keller
**Wikidata**: [Q109832979](https://www.wikidata.org/wiki/Q109832979)  
**Source**: https://4ort.xyz/entity/ernst-urban-keller


## References

1. Virtual International Authority File
2. Integrated Authority File
3. CERL Thesaurus
4. Czech National Authority Database
5. Württembergische Kirchengeschichte Online