# Johann Christoph Beer
**Wikidata**: [Q50647470](https://www.wikidata.org/wiki/Q50647470)  
**Source**: https://4ort.xyz/entity/johann-christoph-beer


## References

1. Catalog of the German National Library
2. Faceted Application of Subject Terminology
3. CONOR.SI
4. CERL Thesaurus
5. Virtual International Authority File