# Paul O'Callaghan

> researcher

**Wikidata**: [Q50015388](https://www.wikidata.org/wiki/Q50015388)  
**Source**: https://4ort.xyz/entity/paul-o-callaghan


## References

1. Catalogue of the Library of the Pontifical University of the Holy Cross
2. [Source](https://orcid.org/0000-0003-3117-5367)
3. [Source](http://catalogo.pusc.it/auth/58009)
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Virtual International Authority File
6. Catalogue of the Library of the Pontifical University of Saint Thomas Aquinas
7. IdRef
8. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-3117-5367/external-identifiers/1172840)
9. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-3117-5367/researcher-urls/383598)
10. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-3117-5367/researcher-urls/383597)
11. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-3117-5367/external-identifiers/1093841)