# Patrick Henry Callahan

> American businessman and Catholic layman (1866–1940)

**Wikidata**: [Q55720566](https://www.wikidata.org/wiki/Q55720566)  
**Source**: https://4ort.xyz/entity/patrick-henry-callahan


## References

1. Virtual International Authority File
2. Callahan, Patrick Henry (1866-1940), businessman and Catholic layman
3. Faceted Application of Subject Terminology
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. BnF authorities
6. Library of Congress Authorities
7. Library of Congress Control Number