# Friedrich Knöpp
**Wikidata**: [Q107018546](https://www.wikidata.org/wiki/Q107018546)  
**Source**: https://4ort.xyz/entity/friedrich-kn-pp


## References

1. Catalog of the German National Library
2. Virtual International Authority File
3. [Source](https://kalliope-verbund.info/DE-611-BF-116333)
4. Integrated Authority File
5. National Library of Israel Names and Subjects Authority File