# Felix Grüneisen
**Wikidata**: [Q124743892](https://www.wikidata.org/wiki/Q124743892)  
**Source**: https://4ort.xyz/entity/felix-gr-neisen


## References

1. [Source](https://roter-kreis.de/15._Juni)
2. Catalog of the German National Library
3. Czech National Authority Database
4. Virtual International Authority File