# John Gwyn Jeffreys

> Welsh conchologist and malacologist (1809–1885)

**Wikidata**: [Q3181658](https://www.wikidata.org/wiki/Q3181658)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_Gwyn_Jeffreys)  
**Source**: https://4ort.xyz/entity/john-gwyn-jeffreys


## References

1. Virtual International Authority File
2. BnF authorities
3. International Standard Name Identifier
4. SNAC
5. CERL Thesaurus
6. National Library of Israel Names and Subjects Authority File