# Henriette Gräfin von Keyserling
**Wikidata**: [Q18916793](https://www.wikidata.org/wiki/Q18916793)  
**Source**: https://4ort.xyz/entity/henriette-gr-fin-von-keyserling


## References

1. Catalog of the German National Library
2. Virtual International Authority File
3. Deutsche Biographie
4. NUKAT
5. FactGrid