# Konrad Kupfer
**Wikidata**: [Q63790001](https://www.wikidata.org/wiki/Q63790001)  
**Source**: https://4ort.xyz/entity/konrad-kupfer


## References

1. [Source](https://kalliope-verbund.info/DE-611-BF-101197)
2. [Source](https://kalliope-verbund.info/DE-611-BF-82592)
3. Virtual International Authority File