# Johannes Luden
**Wikidata**: [Q87185918](https://www.wikidata.org/wiki/Q87185918)  
**Source**: https://4ort.xyz/entity/johannes-luden


## References

1. Integrated Authority File
2. Biografisch Portaal
3. Catalog of the German National Library
4. Biografisch Woordenboek van Nederland 1880-2000