# Ludwig Karell
**Wikidata**: [Q60815329](https://www.wikidata.org/wiki/Q60815329)  
**Source**: https://4ort.xyz/entity/ludwig-karell


## References

1. Czech National Authority Database
2. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000011640&local_base=svk04)
3. Catalog of the German National Library
4. [Source](https://www.biographien.ac.at/oebl/oebl_K/Karell_Ludwig_1858_1930.xml)