# Jean Borel

> Swiss Esperantist (1868-1946)

**Wikidata**: [Q12349739](https://www.wikidata.org/wiki/Q12349739)  
**Source**: https://4ort.xyz/entity/jean-borel-q12349739


## References

1. Nia diligenta kolegaro
2. Catalog of the German National Library
3. Czech National Authority Database
4. Virtual International Authority File
5. [Source](https://sezonoj.ru/2018/02/ndk-4/)