# Karl Petri
**Wikidata**: [Q94817204](https://www.wikidata.org/wiki/Q94817204)  
**Source**: https://4ort.xyz/entity/karl-petri-q94817204


## References

1. [Source](https://kirchengemeindelexikon.de/einzelgemeinde/clausthal/)
2. Source
3. Catalog of the German National Library
4. [Source](https://kalliope-verbund.info/DE-611-BF-57894)