# John Daniel Cogan
**Wikidata**: [Q105624150](https://www.wikidata.org/wiki/Q105624150)  
**Source**: https://4ort.xyz/entity/john-daniel-cogan


## References

1. Union List of Artist Names. 2004
2. Photographers' Identities Catalog
3. Virtual International Authority File
4. Répertoire des artistes
5. Luminous-Lint
6. National Portrait Gallery (London) online artwork database