# María Esther Posada
**Wikidata**: [Q134713252](https://www.wikidata.org/wiki/Q134713252)  
**Source**: https://4ort.xyz/entity/mar-a-esther-posada


## References

1. Catalogue of the Library of the Pontifical University of the Holy Cross
2. Virtual International Authority File
3. [Source](https://csdb.unisal.it/index.php/eventi-e-notizie/199-la-scomparsa-di-sr-maria-esther-posada-2)