# Johann M. Schumann
**Wikidata**: [Q112386337](https://www.wikidata.org/wiki/Q112386337)  
**Source**: https://4ort.xyz/entity/johann-m-schumann


## References

1. Czech National Authority Database
2. Integrated Authority File
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)