# Carlos Xavier Paes Barreto

> Brazilian Esperantist

**Wikidata**: [Q12346063](https://www.wikidata.org/wiki/Q12346063)  
**Source**: https://4ort.xyz/entity/carlos-xavier-paes-barreto


## References

1. IdRef
2. Virtual International Authority File
3. Library of Congress Authorities
4. National Library of Israel Names and Subjects Authority File