# Karl Werner Kieffer
**Wikidata**: [Q1565728](https://www.wikidata.org/wiki/Q1565728)  
**Source**: https://4ort.xyz/entity/karl-werner-kieffer


## References

1. Integrated Authority File
2. [Source](https://www.theodor-heuss-stiftung.de/das-archiv/)
3. [Source](http://viaf.org/viaf/data/viaf-20170101-links.txt.gz)
4. Virtual International Authority File