# J. Kuptsch
**Wikidata**: [Q52316590](https://www.wikidata.org/wiki/Q52316590)  
**Source**: https://4ort.xyz/entity/j-kuptsch


## References

1. Integrated Authority File
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. Virtual International Authority File
4. [Source](https://ixtheo.de/Authority/1040629520)
5. National Library of Israel Names and Subjects Authority File