# Léon Gruel
**Wikidata**: [Q18115138](https://www.wikidata.org/wiki/Q18115138)  
**Source**: https://4ort.xyz/entity/l-on-gruel


## References

1. BnF authorities
2. Integrated Authority File
3. The Fine Art Archive
4. NUKAT
5. [Bibliothèque nationale de France](https://data.bnf.fr/fr/13184261/leon_gruel/)
6. La France savante
7. [Source](https://bibliophilie.com/portrait-de-relieur-leon-gruel-1841-1923/)
8. Virtual International Authority File
9. National Library of Israel Names and Subjects Authority File
10. Digital Scriptorium Catalog