# Karl Theiler
**Wikidata**: [Q96410201](https://www.wikidata.org/wiki/Q96410201)  
**Source**: https://4ort.xyz/entity/karl-theiler


## References

1. Historical Dictionary of Switzerland
2. IdRef
3. Czech National Authority Database
4. Catalog of the German National Library
5. NUKAT
6. Base de données des élites suisses
7. National Library of Israel Names and Subjects Authority File