# Johann Ohrtmann
**Wikidata**: [Q94896291](https://www.wikidata.org/wiki/Q94896291)  
**Source**: https://4ort.xyz/entity/johann-ohrtmann


## References

1. Catalog of the German National Library
2. Faceted Application of Subject Terminology
3. [Source](https://kalliope-verbund.info/DE-611-BF-118840)