# Ricardo Feierstein
**Wikidata**: [Q9068975](https://www.wikidata.org/wiki/Q9068975)  
**Source**: https://4ort.xyz/entity/ricardo-feierstein


## References

1. BnF authorities
2. general catalog of BnF
3. Virtual International Authority File
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Faceted Application of Subject Terminology
6. NUKAT
7. datos.bne.es
8. National Library of Israel Names and Subjects Authority File