# Johann Conrad Ulmer

> German engraver

**Wikidata**: [Q19286746](https://www.wikidata.org/wiki/Q19286746)  
**Source**: https://4ort.xyz/entity/johann-conrad-ulmer


## References

1. Integrated Authority File
2. BnF authorities
3. CERL Thesaurus
4. Benezit Dictionary of Artists
5. Czech National Authority Database
6. Source
7. Virtual International Authority File