# Leon Zamenhof

> Polish physiologist and Esperantist (1875-1934)

**Wikidata**: [Q3889710](https://www.wikidata.org/wiki/Q3889710)  
**Source**: https://4ort.xyz/entity/leon-zamenhof


## References

1. Integrated Authority File
2. [Pola Esperantisto](http://anno.onb.ac.at/cgi-content/anno-plus?aid=e1c&datum=19340004&query=(((text:Leokadia)+(text:Warszawska)))&ref=anno-search&seite=30)
3. Czech National Authority Database
4. Encyclopedia of Esperanto
5. general catalog of BnF
6. Virtual International Authority File
7. [Pola Esperantisto](http://anno.onb.ac.at/cgi-content/anno-plus?aid=e1c&datum=1934&page=32&size=45)