# Paul Johann Keller
**Wikidata**: [Q42724873](https://www.wikidata.org/wiki/Q42724873)  
**Source**: https://4ort.xyz/entity/paul-johann-keller


## References

1. Czech National Authority Database
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. Virtual International Authority File
4. [Source](https://www2.unil.ch/elitessuisses/index.php?page=detailPerso&idIdentite=78273)
5. National Library of Israel Names and Subjects Authority File