# Friederika Freifrau von Handel-Mazzetti
**Wikidata**: [Q55851291](https://www.wikidata.org/wiki/Q55851291)  
**Source**: https://4ort.xyz/entity/friederika-freifrau-von-handel-mazzetti


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Deutsche Biographie