# Karl Helmholz

> victim of National Socialism from Berlin

**Wikidata**: [Q15441407](https://www.wikidata.org/wiki/Q15441407)  
**Source**: https://4ort.xyz/entity/karl-helmholz


## References

1. Catalog of the German National Library
2. [Source](https://www.stolpersteine-berlin.de/de/stolpersteine-finden/download)
3. Stolperstein dedicated to Karl Helmholz
4. Integrated Authority File
5. Virtual International Authority File