# Karl Barthel
**Wikidata**: [Q1371475](https://www.wikidata.org/wiki/Q1371475)  
**Source**: https://4ort.xyz/entity/karl-barthel-q1371475


## References

1. Integrated Authority File
2. International Standard Name Identifier
3. Virtual International Authority File
4. Czech National Authority Database
5. National Library of Israel Names and Subjects Authority File