# Hugo Ritter von Helvig
**Wikidata**: [Q55851701](https://www.wikidata.org/wiki/Q55851701)  
**Source**: https://4ort.xyz/entity/hugo-ritter-von-helvig


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Deutsche Biographie
4. National Library of Portugal
5. Virtual International Authority File
6. IdRef