# Leon Kellenberger
**Wikidata**: [Q99036971](https://www.wikidata.org/wiki/Q99036971)  
**Source**: https://4ort.xyz/entity/leon-kellenberger


## References

1. ADAGP/CISAC membership list at 07/01/2019
2. BnF authorities
3. Virtual International Authority File
4. [Source](https://en.foto-ch.ch/photographer?detail=31667&type=photographer)
5. DACS register
6. ADAGP directory