# Ludwig Frohnhaeuser
**Wikidata**: [Q94876230](https://www.wikidata.org/wiki/Q94876230)  
**Source**: https://4ort.xyz/entity/ludwig-frohnhaeuser


## References

1. Catalog of the German National Library
2. Virtual International Authority File
3. [Source](https://kalliope-verbund.info/DE-611-BF-7655)
4. [Source](https://www.dla-marbach.de/find/opac/id/PE00484060)