# Karl Kumpmann
**Wikidata**: [Q94883329](https://www.wikidata.org/wiki/Q94883329)  
**Source**: https://4ort.xyz/entity/karl-kumpmann-q94883329


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Virtual International Authority File
4. CiNii Research
5. National Library of Israel Names and Subjects Authority File