# Julius Umbach

> German steel engraver

**Wikidata**: [Q55911572](https://www.wikidata.org/wiki/Q55911572)  
**Source**: https://4ort.xyz/entity/julius-umbach


## References

1. Czech National Authority Database
2. CERL Thesaurus
3. Catalog of the German National Library
4. Web umenia
5. MAK
6. [Source](http://thesaurus.cerl.org/record/cnp01097080)