# Cynthia Koestler
**Wikidata**: [Q55999242](https://www.wikidata.org/wiki/Q55999242)  
**Source**: https://4ort.xyz/entity/cynthia-koestler


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Faceted Application of Subject Terminology
4. Autoritats UB
5. datos.bne.es
6. Virtual International Authority File
7. National Library of Israel Names and Subjects Authority File