# Karl Franz Letter

> (1787-1860)

**Wikidata**: [Q96337467](https://www.wikidata.org/wiki/Q96337467)  
**Source**: https://4ort.xyz/entity/karl-franz-letter


## References

1. Historical Dictionary of Switzerland
2. Virtual International Authority File
3. [Source](http://www.hls-dhs-dss.ch/textes/d/D23968.php)