# Johann Christoph Hartman

> German bookseller and publisher

**Wikidata**: [Q94865301](https://www.wikidata.org/wiki/Q94865301)  
**Source**: https://4ort.xyz/entity/johann-christoph-hartman


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Catalog of the German National Library
4. CERL Thesaurus
5. MAK
6. Virtual International Authority File