# Karl Pieper
**Wikidata**: [Q107165657](https://www.wikidata.org/wiki/Q107165657)  
**Source**: https://4ort.xyz/entity/karl-pieper-q107165657


## References

1. Integrated Authority File
2. [Source](https://gepris-historisch.dfg.de/person/5109200)
3. National Library of Israel Names and Subjects Authority File