# Karl Keller

> (1920-2000)

**Wikidata**: [Q68278925](https://www.wikidata.org/wiki/Q68278925)  
**Source**: https://4ort.xyz/entity/karl-keller-q68278925


## References

1. Winterthur Glossar
2. Source
3. Virtual International Authority File
4. Integrated Authority File
5. [Source](https://www.helveticarchives.ch/detail.aspx?ID=739)