# Louis Winkler
**Wikidata**: [Q55837020](https://www.wikidata.org/wiki/Q55837020)  
**Source**: https://4ort.xyz/entity/louis-winkler


## References

1. BnF authorities
2. Catalog of the German National Library
3. datos.bne.es
4. NUKAT
5. National Library of Portugal
6. Virtual International Authority File