# John Graham-Hall

> English opera singer

**Wikidata**: [Q29896570](https://www.wikidata.org/wiki/Q29896570)  
**Source**: https://4ort.xyz/entity/john-graham-hall


## References

1. datos.bne.es
2. MusicBrainz
3. Discogs
4. Czech National Authority Database
5. Virtual International Authority File
6. [Source](http://digitale.beic.it/primo_library/libweb/action/search.do?fn=search&vid=BEIC&vl%283134987UI0%29=creator&vl%28freeText0%29=Graham-Hall%20John)
7. National Library of Israel Names and Subjects Authority File