# Youssouf-Léon Calfa
**Wikidata**: [Q13053161](https://www.wikidata.org/wiki/Q13053161)  
**Source**: https://4ort.xyz/entity/youssouf-l-on-calfa


## References

1. Armenian Soviet Encyclopedia
2. Armenian Concise Encyclopedia
3. BnF authorities
4. Virtual International Authority File