# Wilhelm Johnen
**Wikidata**: [Q112414556](https://www.wikidata.org/wiki/Q112414556)  
**Source**: https://4ort.xyz/entity/wilhelm-johnen-q112414556


## References

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