# Johannes Jahn
**Wikidata**: [Q112423870](https://www.wikidata.org/wiki/Q112423870)  
**Source**: https://4ort.xyz/entity/johannes-jahn-q112423870


## References

1. Integrated Authority File
2. Czech National Authority Database
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Catalogo of the National Library of India