# Johann Konrad Haas
**Wikidata**: [Q55894553](https://www.wikidata.org/wiki/Q55894553)  
**Source**: https://4ort.xyz/entity/johann-konrad-haas


## References

1. CERL Thesaurus
2. Catalog of the German National Library
3. NUKAT
4. Virtual International Authority File
5. [Source](http://thesaurus.cerl.org/record/cnp01077937)