# Johann Ernst Höpfner
**Wikidata**: [Q94862012](https://www.wikidata.org/wiki/Q94862012)  
**Source**: https://4ort.xyz/entity/johann-ernst-h-pfner


## References

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