# Charles Knapp
**Wikidata**: [Q110208875](https://www.wikidata.org/wiki/Q110208875)  
**Source**: https://4ort.xyz/entity/charles-knapp-q110208875


## References

1. Base de données des élites suisses
2. Integrated Authority File
3. Historical Dictionary of Switzerland
4. BnF authorities
5. NUKAT
6. Virtual International Authority File