# Ludwig Kepler
**Wikidata**: [Q55124832](https://www.wikidata.org/wiki/Q55124832)  
**Source**: https://4ort.xyz/entity/ludwig-kepler


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Virtual International Authority File
4. [Source](https://www.deutsche-biographie.de/sfz40566.html)
5. CERL Thesaurus
6. Early Modern Letters Online
7. Alvin
8. MAK
9. Czech National Authority Database