# Ludwig Urban
**Wikidata**: [Q94801604](https://www.wikidata.org/wiki/Q94801604)  
**Source**: https://4ort.xyz/entity/ludwig-urban


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. [Österreichisches Biographisches Lexikon 1815–1950](https://www.biographien.ac.at/oebl/oebl_U/Urban_Ludwig_1876_1946.xml)