# Leonhard Christoph Rühl
**Wikidata**: [Q21544909](https://www.wikidata.org/wiki/Q21544909)  
**Source**: https://4ort.xyz/entity/leonhard-christoph-r-hl


## References

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