# Johann Bernhard Heller
**Wikidata**: [Q55902600](https://www.wikidata.org/wiki/Q55902600)  
**Source**: https://4ort.xyz/entity/johann-bernhard-heller


## References

1. Integrated Authority File
2. CERL Thesaurus
3. Czech National Authority Database
4. Catalog of the German National Library
5. NUKAT
6. MAK
7. [Source](http://thesaurus.cerl.org/record/cnp01273380)
8. Provenio