# Robert H. Friis
**Wikidata**: [Q93380951](https://www.wikidata.org/wiki/Q93380951)  
**Source**: https://4ort.xyz/entity/robert-h-friis


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. VIAF ID
4. National Library of Israel Names and Subjects Authority File
5. [Source](https://app.thestorygraph.com/authors/733d7646-b52c-4290-9da0-e9710e50ce74)