# Philipp Friedrich Keerl
**Wikidata**: [Q95007602](https://www.wikidata.org/wiki/Q95007602)  
**Source**: https://4ort.xyz/entity/philipp-friedrich-keerl


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. CERL Thesaurus
4. Virtual International Authority File