# Karl Wydler
**Wikidata**: [Q85104403](https://www.wikidata.org/wiki/Q85104403)  
**Source**: https://4ort.xyz/entity/karl-wydler


## References

1. Catalog of the German National Library
2. SIKART
3. [Source](http://www.sikart.ch/KuenstlerInnen.aspx?id=4004574)