# Friedrich Ludwig Ryff

> (1857-1925)

**Wikidata**: [Q78070559](https://www.wikidata.org/wiki/Q78070559)  
**Source**: https://4ort.xyz/entity/friedrich-ludwig-ryff


## References

1. Catalog of the German National Library
2. Historical Dictionary of Switzerland
3. [Source](http://www.hls-dhs-dss.ch/textes/d/D29725.php)